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Aujourd’hui — 3 avril 2025Flux principal

Air Conditioning, Not Data Centers, Driving Global Energy Demand Growth

Par : msmash
3 avril 2025 à 23:00
Air conditioning will contribute more to rising global energy demand than data centers through 2030, according to an International Energy Agency. While attention has focused on computing power consumption, the IEA projects data centers will account for less than 10% of increased energy demand by 2030, significantly less than space cooling requirements. Global cooling degree days, a measure of air conditioning need, were 6% higher in 2024 than 2023 and 20% above the long-term average for the first two decades of the century. China, India and the United States saw particularly sharp increases. Air conditioning represented 7% of global electricity consumption in 2022, with some U.S. regions reporting that cooling can comprise over 70% of residential energy use during peak periods. The number of air conditioning units worldwide could nearly triple from fewer than 2 billion in 2016 to approximately 6 billion by 2050, creating a growing challenge for power grids.

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Open-Source Tool Designed To Throttle PC and Server Performance Based On Electricity Pricing

Par : BeauHD
3 avril 2025 à 01:45
Robotics and machine learning engineer Naveen Kul developed WattWise, a lightweight open-source CLI tool that monitors power usage via smart plugs and throttles system performance based on electricity pricing and peak hours. Tom's Hardware reports: The simple program, called WattWise, came about when Naveen built a dual-socket EPYC workstation with plans to add four GPUs. It's a power-intensive setup, so he wanted a way to monitor its power consumption using a Kasa smart plug. The enthusiast has released the monitoring portion of the project to the public now, but the portion that manages clocks and power will be released later. Unfortunately, the Kasa Smart app and the Home Assistant dashboard was inconvenient and couldn't do everything he desired. He already had a terminal window running monitoring tools like htop, nvtop, and nload, and decided to take matters into his own hands rather than dealing with yet another app. Naveen built a terminal-based UI that shows power consumption data through Home Assistant and the TP-Link integration. The app monitors real-time power use, showing wattage and current, as well as providing historical consumption charts. More importantly, it is designed to automatically throttle CPU and GPU performance. Naveen's power provider uses Time-of-Use (ToU) pricing, so using a lot of power during peak hours can cost significantly more. The workstation can draw as much as 1400 watts at full load, but by reducing the CPU frequency from 3.7 GHz to 1.5 GHz, he's able to reduce consumption by about 225 watts. (No mention is made of GPU throttling, which could potentially allow for even higher power savings with a quad-GPU setup.) Results will vary based on the hardware being used, naturally, and servers can pull far more power than a typical desktop -- even one designed and used for gaming. WattWise optimizes the system's clock speed based on the current system load, power consumption as reported by the smart plug, and the time -- with the latter factoring in peak pricing. From there, it uses a Proportional-Integral (PI) controller to manage the power and adapts system parameters based on the three variables. A blog post with more information is available here. WattWise is also available on GitHub.

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Hier — 2 avril 2025Flux principal

Nuclear Is Now 'Clean Energy' In Colorado

Par : BeauHD
2 avril 2025 à 02:10
With the signing of HB25-1040 on Monday, Colorado now defines nuclear as a "clean energy resource" since it doesn't release large amounts of climate-warming emissions. "The category was previously reserved for renewables like wind, solar and geothermal, which don't carry the radioactive stigma that's hobbled fission power plants following disasters like Chernobyl and Fukushima," notes Colorado Public Radio. From the report: In an emailed statement, Ally Sullivan, a spokesperson for the governor's office, said the law doesn't advance any specific nuclear energy project, and no utility has proposed building a nuclear power plant in Colorado. It does, however, allow nuclear energy to potentially serve as one piece of the state's plan to tackle climate change. "If nuclear energy becomes sufficiently cost-competitive, it could potentially become part of Colorado's clean energy future. However, it must be conducted safely, without harming communities, depleting other natural resources or replacing other clean energy sources," Sullivan said. By redefining nuclear energy as "clean," the law would let future fission-based power plants obtain local grants previously reserved for other carbon-free energy sources, and it would allow those projects to contribute to Colorado's renewable energy goals. It also aligns state law with a push to reshape public opinion of nuclear energy. Nuclear energy proponents promise new reactor designs are smaller and safer than hulking power plants built in the 20th century. By embracing those systems, bill supporters claimed Colorado could meet rising energy demand without abandoning its ambitious climate goals.

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À partir d’avant-hierFlux principal

California Has 48% More EV Chargers Than Gas Nozzles

Par : EditorDavid
31 mars 2025 à 11:34
California has 11.3% of America's population — but bought 30% of America's new zero-emission vehicles. That's according to figures from the California Air Resources Board, which also reports 1 in 4 Californians have chosen a zero-emission car over a gas-powered one... for the last two years in a row. But what about chargers? It turns out that California now has 48% more public and "shared" private EV chargers than the number of gasoline nozzles. (California has 178,000 public and "shared" private EV chargers, versus about 120,000 gas nozzles.) And beyond that public network, there's more than 700,000 Level 2 chargers installed in single-family California homes, according to the California Energy Commission. Of the 178,000 public/"shared" private chargers, "Over 162,000 are Level 2 chargers," according to an announcement from the governor's office, while nearly 17,000 are fast chargers. (A chart shows a 41% jump in 2024 — though the EV news site Electrek notes that of the 73,537 chargers added in 2024, nearly 38,000 are newly installed, while the other 35,554 were already plugged in before 2024 but just recently identified.) California approved a $1.4 billion investment plan in December to expand zero-emission transportation infrastructure. The plan funds projects like the Fast Charge California Project, which has earmarked $55 million of funding to install DC fast chargers at businesses and publicly accessible locations.

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Aptera Takes First 300-Mile Highway Trip in Solar-Powered EV

Par : EditorDavid
30 mars 2025 à 03:34
"I've been dreaming of this moment for 20 years," says Aptera co-CEO Steve Fambro. Aptera's solar-powered electric car just drove 300 miles on a single charge. "We're one step closer to a future where every journey is powered by the sun," Aptera says in their announcement. "This go around, Aptera took to the highway for the first time ever..." writes the EV blog Electrek. "At one point, Aptera's video noted that its solar EV was pulling over 545 watts of solar input, even though it was overcast." "Less time searching for chargers," Aptera says in their announcement, adding that their "production-intent" car proved "that a solar EV isn't just a concept for the future, but a real-world solution ready for the present" — while turning Route 66 into "a test bed for a vehicle built to thrive independently..." "The panoramic windshield gives you this incredible view of the landscape," Steve said [in a video accompanying the announcement], describing the drive. "It's like a big picture window into the future." The final stretch took the team back into California, where they reflected on the journey, the data, and the excited reactions from drivers who caught a glimpse of the vehicle on the road. "Almost everyone we passed had their phones out filming us," Steve laughed. "It's clear that Aptera's design stops traffic — without needing to stop for a charge." "I was struck by how normal this trip seemed, except for all the gawking from fellow travelers," writes long-time Slashdot reader AirHog. "Best of luck to Aptera to reach their funding and production goals this year for this remarkable vehicle." They drove on highways to Lake Havasu, and then to California's Imperial Valley — starting in Flagstaff, Arizona on symbolic Route 66. It was 100 years ago that Route 66 was proposed to link Chicago and Los Angeles, which Fambro credits to a visionary who believed in "something bigger than the road itself — believing in what it could unlock for the world." "And they did it. Route 66 became one of the most iconic highways in America, proving that what once seemed improbable could become inevitable. "I think about that alot with Aptera. We're building something people say can't be done. History shows us the boldest ideas, the ones that challenge that status quo are the ones that truly change the world. They take their futuristic, tear-dropped shaped "Jetsons" car to a drive-through wildlife refuge named Bearizona. They stop at a general store for some beef jerky. "We're just having a fun time seeing all the sights." "I've been dreaming of this moment for 20 years," says Aptera co-CEO Steve Fambro. "Driving in the most efficient vehicle on the road. Watching the sights go by. I got emotional just taking it all in." "This company. This idea. It's real. It's visceral. And I'm just so proud of each and every person who helped make this dream a reality. "We have the chance to make a real change in how the world moves. The road hasn't been easy. It's been painful, difficult. And it's brought me to my breaking point sometimes. But being in this moment right now? I can say it's all been worth it... "I feel we're at the forefront of something truly revolutionary. We're not fighting an uphill battle any more. We're standing at the edge of something incredible. Ready to break through. "To all of you who supported us, my commitment is this. We're not stopping. We're moving forward with more energy and more passion than ever. The road ahead is an open highway. And the future is ours to shape." To celebrate Aptera is holding a giveaway for a camping kit, a $100 gift card to their online store, and a free Aptera pre-order to a winner chosen at random from those who subscribe/watch/comment on their new video...

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Scientists May Have Discovered How To Extract Power From the Earth's Rotation

Par : EditorDavid
29 mars 2025 à 17:34
Long-time Slashdot reader Baron_Yam writes: No more burning fossil fuels, playing with fissile material, damming rivers, erecting wind mills, or making solar panels. All of our energy needs could potentially be supplied by the angular kinetic energy of the Earth — and because of the mass of the planet, doing so would slow its rotation down by a mere 7ms per century. [Which is similar to speed changes caused by natural phenomena such as the Moon's pull and changing dynamics inside the planet's core."] Normally this would be considered impossible as the Earth's large and uniform field does not induce a current in conductors, but researchers believe that a hollow cylinder of manganese, zinc and iron can alter the interaction with our planetary magnetic field and allow the extraction of energy from it. So far, the results are positive but still below the level where they cannot be explained by multiple possible causes of experimental error. Further research is required to confirm the effect. "The effect was identified only in a carefully crafted device and generated just 17 microvolts," reports Scientific American, "a fraction of the voltage released when a single neuron fires — making it hard to verify that some other effect isn't causing the observations." But if another group can verify the results, the experiment's lead says the next logical step is trying to scale up the device to generate a useful amount of energy.

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BYD Unveils New Super-Charging EV Tech With Peak Speeds of 1,000 kW

Par : BeauHD
18 mars 2025 à 01:25
fahrbot-bot shares a report from Reuters: BYD on Monday unveiled a new platform for electric vehicles (EVs) that it said could charge EVs as quickly as it takes to pump gas and announced for the first time that it would build a charging network across China. The so-called "super e-platform" will be capable of peak charging speeds of 1,000 kilowatts (kW), enabling cars that use it to travel 400 km (249 miles) on a 5-minute charge, founder Wang Chuanfu said at an event livestreamed from the company's Shenzhen headquarters. Charging speeds of 1,000 kW would be twice as fast as Tesla's superchargers whose latest version offers up to 500 kw charging speeds. The new charging architecture will be initially available in two new EVs -- Han L sedan and Tang L SUV priced from 270,000 yuan ($37,328.91) and BYD said it would build over 4,000 ultra-fast charging piles, or units, across China to match the new platform. "In order to completely solve our user's charging anxiety, we have been pursuing a goal to make the charging time of electric vehicles as short as the refuelling time of petrol vehicles," Wang said. "This is the first time in the industry that the unit of megawatt (charge) has been achieved on charging power," he said.

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10 Million Cubans Suffer Nationwide Power Outage

Par : EditorDavid
15 mars 2025 à 16:34
"Cuba's power grid collapsed Friday night," reports CNN, "triggering a nationwide power outage and plunging its more than 10 million people into darkness." Video filmed by CNN in the capital Havana showed streets and buildings shrouded in total darkness, as people used electric torches to navigate the streets. By Saturday morning, the Cuban government officials said that "microsystems" — pockets of electricity — had been restored in some cities. However, it remains unclear when the island's power system would be fully online again and most people remained in the dark... It marks the latest in a series of failures on the Caribbean island struggling with creaking infrastructure, natural disasters and economic turmoil... For nearly a week in October, most of Cuba suffered near-total blackouts, the worst energy outages in decades. While Cubans are used to frequent power outages, to have another nationwide backcourt — the fourth in six months — was unsettling for many people who need electricity to cook and refrigerate food that otherwise spoils quickly in the tropical heat. "Many residents posted on online sites looking for propane, charcoal, and fuel for generators..."

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Coal-Powered Energy Finally Overtaken by Wind and Solar in the US

Par : EditorDavid
15 mars 2025 à 14:34
"Wind and solar energy generated more electricity in the U.S. than coal for the first time last year," reports the Wall Street Journal, "according to analysis from clean-energy think tank Ember. "The two renewable energy sources accounted for 17% of the country's power mix while coal fell to a low of 15%, it said." Solar was the fastest-growing energy source, according to Ember's analysis of data from the U.S. Energy Information Administration, increasing 27% from the year before, while wind rose 7%... Natural gas generation increased 3.3% in 2024, according to Ember, and remains by far the largest source of electricity in the U.S., accounting for 43% of the mix... California and Nevada both surpassed 30% annual share of solar in their electricity mix for the first time last year (32% and 30%, respectively). California's battery growth was key to its solar success. It installed 20% more battery capacity than it did solar capacity, which helped it transfer a significant share of its daytime solar to the evening. Texas installed more solar and battery capacity than even California. Yet the growth of solar was uneven — 28 states generated less than 5% of their electricity from solar in 2024, highlighting significant untapped potential — even before adding battery storage. The article includes this observation from Dave Jones, chief analyst at Ember. "The fall in battery costs is a gamechanger for how much solar the U.S. electricity grid could integrate in the near future." Electrek notes that "After being stagnant for 14 years, electricity demand started rising in recent years and saw a 3% increase in 2024, marking the fifth-highest level of rise this century..." Natural gas grew three times more than the decline in coal, increasing power sector CO2 emissions slightly (0.7%). Coal fell by the second smallest amount since 2014, as gas and clean energy growth met rising electricity demand, whereas historically, they have replaced coal. Despite growing emissions, the carbon intensity of electricity continued to decline. The rise in power demand was much faster than the rise in power sector CO2 emissions, making each unit of electricity likely the cleanest it has ever been.

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Solar Adds More New Capacity To the US Grid In 2024 Than Any Energy Source In 20 Years

Par : BeauHD
12 mars 2025 à 10:00
AmiMoJo shares a report from Electrek: The U.S. installed 50 gigawatts (GW) of new solar capacity in 2024, the largest single year of new capacity added to the grid by any energy technology in over two decades. That's enough to power 8.5 million households. According to the U.S. Solar Market Insight 2024 Year in Review report (PDF) released today by the Solar Energy Industries Association (SEIA) and Wood Mackenzie, solar and storage account for 84% of all new electric generating capacity added to the grid last year. In addition to historic deployment, surging U.S. solar manufacturing emerged as a landmark economic story in 2024. Domestic solar module production tripled last year, and at full capacity, U.S. factories can now produce enough to meet nearly all demand for solar panels in the U.S. Solar cell manufacturing also resumed in 2024, strengthening the U.S. energy supply chain. [...] Total US solar capacity is expected to reach 739 GW by 2035, but the report forecasts include scenarios showing how policy changes could impact the solar market. [...] The low case forecast shows a 130 GW decline in solar deployment over the next decade compared to the base case, representing nearly $250 billion of lost investment.

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'Exponential Spin-up' In Geothermal Energy Projects Brings Hope for Green Power

Par : EditorDavid
2 mars 2025 à 22:12
Earth's core "burns with an estimated forty-four trillion watts of power," the New Yorker reminds us — enough to "satisfy the entire world's energy needs" with a power source that's carbon-free, ubiquitous — and unlimited. (Besides running 24 hours a day, one of geothermal energy's key advantages is "it can be used for both electricity and heating, which collectively account for around 38% of global climate emissions...") And one drilling expert tells them there's been an "exponential spin-up of activity in geothermal" energy projects over the last two years. (Ironically it was the fracking boom also brought an "explosion of new drilling practices — such as horizontal drilling and magnetic sensing — that inspired a geothermal resurgence.") In 2005 one research team calculated that just 2% of the heat just four miles underground in America "could meet the entire country's energy needs — two thousand times over," according to the article. So their new article checks in on the progress of geothermal energy projects around the world, including a Utah company using a diamond-bit drill to dig nearly a mile into the earth to install a 150-ton steel tube surrounded by special heat-resistant cement — all to create "a massive straw" for transporting hot water (and steam). The biggest problem is drilling miles through hot rock, safely. If scientists can do that, however, next-generation geothermal power could supply clean energy for eons... At 6:15 P.M. on May 3rd, cement had started flowing into the hole. Four hours later, part of the cement folded in on itself. The next morning, the cement supply ran out; the men had miscalculated how much they needed. This brought the three-hundred-million-dollar operation to a maddening halt... The cement truck from Bakersfield arrived around 8:30 P.M. By ten-thirty, the men were pouring cement again, gluing the enormous metal straw in place. Next, the team scanned the borehole with gamma rays...

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How Buildings Are Staying Cool and Saving Money - with Batteries Made of Ice

Par : EditorDavid
2 mars 2025 à 20:17
"Thousands of buildings across the United States are staying cool with the help of cutting-edge batteries made from one of the world's simplest materials," reports the Washington Post — ice. When electricity is cheap, the batteries freeze water. When energy costs go up, building managers turn off their pricey chillers and use the ice to keep things cool. A typical building uses about a fifth of its electricity for cooling, according to the International Energy Agency. By shifting their energy use to cheaper times of day, the biggest buildings can save hundreds of thousands of dollars a year on their power bills. They can also avoid using electricity from the dirtiest fossil fuel plants. In places where the weather is hot and energy prices swing widely throughout the day — for instance, Texas, Southern California and most of the American Southwest — buildings could cut their power bills and carbon emissions by as much as a third, experts say... When every building is blasting its air conditioner at the same moment on a hot day, power companies often fire up backup generators, known as peaker plants, which are generally extra pricey and polluting. If utilities avoid using peaker plants, they'll pollute less and save money. Last year, the Energy Department struck a tentative $306 million loan deal with the ice-battery-maker Nostromo Energy to install its systems in 193 California buildings to make energy cheaper and cleaner while lowering the state's blackout risk. "The batteries themselves are huge..." the article acknowledges, citing one in New York City that uses 100 parking spot-sized tanks "which collectively make 3 million margaritas' worth of ice each night... But that's starting to change." (And they believe new smaller designs "could bring the batteries into smaller buildings and even houses.") Wherever they can squeeze into the market, ice batteries could be a cheaper and longer-lasting option than the lithium-ion batteries that power phones, cars and some buildings because their main ingredient is water, experts say. The pricey chemicals in a lithium-ion cell might degrade after 10 years, but water never wears out. And according to the article, one company has already installed ice batteries in over 4,000 buildings...

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German Startup Wins Accolade For Its Fusion Reactor Design

Par : BeauHD
27 février 2025 à 07:00
A German nuclear fusion startup called Proxima Fusion has unveiled its "Stellaris" fusion power plant designed to operate reliably and continuously without the instabilities of tokamaks. It's backed by $65 million in funding, with plans to build a fully operational fusion reactor by 2031. TechCrunch reports: Tokamaks and stellarators are types of fusion reactors that use electromagnets to contain fusion plasma. Tokamaks rely on external magnets and an induced plasma current but are known for instability. Stellarators, by contrast, use only external magnets, which, in theory, enable better stability and continuous operation. However, according to Dr. Francesco Sciortino, co-founder and CEO of Proxima Fusion, Proxima's "Stellaris" design is the first peer-reviewed fusion power plant concept that demonstrates it can operate reliably and continuously, without the instabilities and disruptions seen in tokamaks and other approaches. Proxima published its findings in Fusion Engineering and Design, choosing to share this information publicly to support open-source science. "Our American friends can see it. Our Chinese friends can see it. Our claim is that we can execute on this faster than anyone else, and we do that by creating a framework for integrated physics, engineering, and economics. So we're not a science project anymore," Sciortino told TechCrunch over a call. "We started out as a group of founders saying it's going to take us two years to get to the Stellaris design ... We actually finished after one year. So we've accelerated by a year," he added.

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A Major Blackout Hits Chile, Leaving Millions Without Power

Par : BeauHD
26 février 2025 à 00:20
A massive blackout has hit Chile, leaving millions without power and disrupting transportation, businesses, and essential services across 14 of the country's 16 regions. The Associated Press reports: The National Electrical Coordinator, Chile's grid operator, said a disruption had occurred in a high-voltage transmission line that carries power from the Atacama Desert of northern Chile to the capital of Santiago in the country's central valley. It did not say what actually caused the disruption that pushed much of the country's power grid into shutdown, from the northernmost Chilean port of Arica to the southern Los Lagos agricultural region. Interior Minister Carolina Toha said hospitals, prisons and government buildings were switching on backup generators to keep essential equipment operating. In a press conference, Toha urged the public to stay calm and said officials were racing to put the grid back in operation and restore electric service across the country of some 19 million people. "It's affecting the entire electrical system of the country," she said of the breakdown in the 500-kV backbone transmission line. Toha said if all areas didn't return to normal by sunset the government would take emergency measures to avert a crisis. [...] Videos on social media from all over Chile, a long ribbon of a country stretching 4,300 kilometers (over 2,600 miles) along the southern Pacific coast, showed chaos at intersections with no functioning traffic lights, people having to use their mobile phones as torches in the underground metro and police dispatched to help evacuate office buildings.

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Useless High-Voltage Power Lines Risk Sparking California Fires

Par : EditorDavid
24 février 2025 à 02:34
"A line idle for decades has been accused of starting the LA area's deadly Eaton Fire," writes Bloomberg, describing California's abandoned power lines as "a fire risk hiding in plain sight." [Abandoned power lines] fall out of use, either because they've been replaced or because the power plants they once connected to the grid shut down... Sometimes the utilities that own idled lines disconnect them from the power grid, cutting off the flow of electricity through the cables. Other times, they don't, keeping them energized. California regulations require the companies to remove power lines they don't anticipate using again, but there's no set deadline. The companies can keep idled lines in place if they foresee needing them in the future, so long as they're regularly inspected and maintained. Even those that have been unplugged from the grid can potentially pose a danger. The line under scrutiny due to the Eaton Fire is owned by Edison International's Southern California utility and was retired in 1971. Under normal circumstances, it carries no electricity, according to the company. Lawyers suing Edison allege that a January 7 power surge on a nearby, active line created a magnetic field that briefly re-energized the dormant cable, setting off the sparks that ignited the blaze. Edison said in a state filing that it is investigating that theory. State investigators have yet to announce a cause for the fire. A 2019 fire that burned 77,700 acres (31,444 hectares) was started by an old power line for a plant that closed in 2001, according to the article. PG&E, the state's largest utility, "hadn't removed it, and it stayed connected to the grid, energized." [PG&E] agreed to remove 72 permanently abandoned transmission lines — representing about 260 miles (418 kilometers) of dormant cables. The work could cost as much as $268 million spread over 10 years, the company estimated at the time. PG&E had removed 64 of the idled lines by the end of 2024, according to a spokesman. "At the right conditions, failing idle facilities can pose significant wildfire and safety risks," PG&E said in its plan to remove the equipment. Thanks to long-time Slashdot reader larryjoe for sharing the news.

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Is the AI Boom Leading to More Natural Gas-Powered Utilities?

Par : EditorDavid
23 février 2025 à 20:34
New power plants burning natural gas are being built all across America, reports the Washington Post, calling it a gas boom "driven in large part by AI." They blame tech companies like Microsoft and Meta — which "looked to gas amid a shortage of adequate new clean energy" — while noting that those companies "say they plan to offset their development of natural gas capacity with equal investments in clean energy like solar and wind." [E]ven coal is making a comeback. But the biggest push is for gas, with more than 220 plants in various stages of development nationwide. They are often pitched as a bridge until more clean power is available, sometimes with promises the plants will eventually be equipped with nascent technology that traps greenhouse gas emissions. But the timeline for installing such "carbon capture" is vague. "These companies are building these massive new gas plants that are going to be there for 30 to 50 years," said Bill Weihl, a former director of sustainability at Facebook and founder of the nonprofit ClimateVoice. "That's not a bridge. It is a giant bomb in our carbon budget...." Public filings from some of the big tech companies driving this development show their greenhouse gas emissions are soaring... "The last few years have revealed that a global energy transition is more complex and less linear than anticipated," Microsoft's board wrote in urging rejection of a December shareholder resolution demanding the company confront the climate risks of AI. "While urgency builds for decarbonization, so does the demand for energy." Shareholders rejected the resolution. Microsoft is battling with environmental groups over its plans to build a multibillion-dollar data center in Mount Pleasant, Wisconsin, powered with electricity from natural gas. Their petition warns Microsoft's project "will push our state's climate goals out of reach, locking us into 30 more years of fossil fuels." The company said in a statement that it remains committed to erasing its emissions by adding substantial clean power to regional power grids. "By the end of 2025 we expect to meet our goal of adding new sources of carbon-free electricity to the grid equal to 100 percent of the electricity used by our datacenters," the statement said. Meta says it is doing the same in Louisiana [where it's building a new 4-million-square-foot data center] and is "committed to matching our electricity use with 100 percent clean and renewable energy." The article includes two revealing quotes: "It is like everyone just gave up," said Aaron Zubaty, CEO of Eolian, a large clean energy developer that works with data centers. American Petroleum Institute President Mike Sommers (who represents the oil and gas industry in Washington), said "The words that have replaced 'energy transition' are 'AI' and 'data centers'. We're transitioning from the energy transition to the energy reality ... We're going to need a lot more oil and gas."

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Lithium Batteries Reignited Tuesday at the Moss Landing Power Plant Fire Site

Par : EditorDavid
23 février 2025 à 05:34
Remember that battery plant fire last month in Moss Landing, California? Tuesday night local firefighters "determined that a group of lithium batteries in an area that had previously burned during the January 16 fire had smoldered and reignited," reports SFGate. Fire Chief Joel Mendoza said the flames burned at varying intensities throughout Tuesday night before the fire burned itself out at about 8 a.m. on Wednesday. Additional flare-ups at the site are expected due to weather exposure and damage to the remaining batteries. "Rekindling is very, very likely — almost a certainty," said EPA onsite coordinator Eric Sandusky, adding that rain and humidity can interact with the damaged batteries, leading to short circuits and reignition. To further reduce fire risk, Sandusky said the EPA is working with Vistra to begin "de-linking the batteries," a process that disconnects them to lower the risk of propagation and prevent a large-scale fire... "Vistra said that since the January 16 fire, they have brought in a private fire crew that is on-site at all times to monitor the Moss 300 building," according to a local news site. Fire Chief Joel Mendoza shared more details with the digital newspaper Lookout Santa Cruz. "We've been saying all along that batteries exposed to heat that didn't burn can ignite. We were hoping that it wouldn't happen, but it did."

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New EV Batteries are Making Electric Cars Cheaper and Safer

Par : EditorDavid
22 février 2025 à 22:34
The Washington Post looks at a new kind of battery that "could make American EVs cheaper and safer, experts say." If you bought an EV with a lithium iron phosphate (LFP) battery, you could expect lower car payments, less fire risk and more years of use out of your car — but you wouldn't be able to go as far on a single charge as you could with the nickel manganese cobalt (NMC) batteries commonly found in American and European electric cars. That trade-off has made LFP batteries the go-to choice for standard-range EVs in China, helping to make electric cars more affordable and limit pollution. Now, American companies are starting to build their own LFP batteries to catch up to their Chinese rivals... But there are plenty of barriers for U.S. companies that want to adopt a technology dominated by Chinese firms. Tariffs and tax credit restrictions have made it too expensive for most American automakers to import LFP batteries from China, and national security concerns have made it hard for American companies to partner with Chinese battery makers to build factories in the United States... Although American scientists invented LFP batteries in 1997, U.S. automakers didn't invest in the technology. Instead, they bet on NMC batteries because they have longer range, a big concern for American EV buyers. "Everyone in the West thought LFP was a nonstarter five or six years ago," said Adrian Yao, who founded STEER, a technology research group within Stanford University. "We really did have a myopic focus on" range, he added. That left the door open for Chinese companies to perfect LFP batteries, which have a few advantages. Instead of pricey nickel and cobalt, they use iron, which makes them 20 percent cheaper than NMC batteries, according to the International Energy Agency. While NMC batteries can be recharged up to about 1,000 times before they go kaput — which is enough to put 200,000 miles on most EVs — LFP batteries can last two or three times as long, according to Moura. Plus, LFP batteries' chemistry makes them less likely to catch fire and easier to extinguish. An NMC battery, on the other hand, is so flammable that "you could put it underwater or in space, and it'll keep burning because the oxygen it needs to keep the flame going is embedded within itself," Moura said. That safety advantage is key, because Chinese firms figured out they could pack LFP cells closer together inside a battery pack without risking a fire. That meant they could cram more energy into LFP batteries and nearly catch up to the range of NMC batteries. Last year, the Chinese battery giant CATL made the first LFP battery with more than 600 miles of range. Since LFP batteries are made from common materials and last longer, they also have a smaller environmental footprint than NMC batteries. Ford used LFP batteries in its Mach-E sedan (2023) and F-150 Lightning pickup trucks (2024), according to the article, "while Rivian began using them in the basic trims of its R1S SUV and R1T pickup truck this year... American LFP factories are slated to open this year in St. Louis and next year in Arizona." And an environmental engineering professor at the University of California at Berkeley predicts LFP battery factories in the U.S. will "grow quite rapidly over the next five to 10 years."

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The GSA Is Shutting Down Its EV Chargers

Par : BeauHD
21 février 2025 à 22:50
The General Services Administration (GSA) is shutting down its nationwide electric vehicle (EV) chargers, deeming them "not mission critical." The U.S. government agency also plans to offload newly purchased EVs, reversing initiatives from the Biden administration aimed at transitioning the federal vehicle fleet to electric. The Verge reports: The GSA currently operates several hundred EV chargers across the country, with approximately 8,000 plugs that are available for government-owned EVs as well as federal employees' personally owned vehicles. The official guidance instructing federal workers to begin the process of shutting down the chargers will be announced internally next week, according to a source with knowledge of the plans. Some regional offices have been told to start taking their chargers offline, according to an email viewed by The Verge. "As GSA has worked to align with the current administration, we have received direction that all GSA owned charging stations are not mission critical," the email reads. The GSA is working on the timing of canceling current network contracts that keep the EV chargers operational. Once those contracts are canceled, the stations will be taken out of service and "turned off at the breaker," the email reads. Other chargers will be turned off starting next week. "Neither Government Owned Vehicles nor Privately Owned Vehicles will be able to charge at these charging stations once they're out of service," it concludes.

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NYC Is Giving Free E-Bikes To Delivery Workers Using Unsafe Models

Par : BeauHD
15 février 2025 à 01:25
New York City's Department of Transportation is offering delivery workers the opportunity to swap out uncertified e-bikes for safer UL-compliant models. "Millions of people rely on such workers for timely deliveries, yet the low wages and brutal conditions of the job have forced many riders to seek out low-cost electric bicycles to perform the work -- exactly the kind of e-bikes that are least likely to have received safety certifications," reports Electrek. From the report: The NYC DOT has already begun accepting applications for the new E-Bike Trade-In Program, which is open to delivery workers with non-compliant electric bicycles as well as the often-seen electric scooters/mopeds that don't really qualify as e-bikes, despite their ubiquitous use in the industry. Interestingly, the program even accepts gasoline-powered mopeds that are not able to be legally registered with the DMV, including those that lack VINs. In exchange for trading in a non-certified vehicle, the delivery worker will receive a new UL-certified electric bike with a spare UL-certified battery. There are a few requirements for eligibility. The worker has to have earned at least US $1,500 by working in the food delivery industry last year in 2024, live in one of the five New York City boroughs, be at least 18 years old, and own/use one of the eligible devices for trade-in. The program is free to participate in with no additional cost for the delivery workers. However, the supply of free electric bicycles is described as "limited." Those interested need to submit an application before the window closes on March 10, 2025.

Read more of this story at Slashdot.

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