Tesla plans to begin opening its Supercharger network to other electric vehicles by the end of the year, according to a White House memo that shared the automaker's plans. TechCrunch reports: The U.S. government said in April that it needs to increase its own network of about 1,100 charging stations a hundred-fold to meet coming demand. Tesla's plans call for expanding capacity at its Gigafactory in Buffalo, New York, where more than 1,600 employees produce Supercharging stations and solar panels, the memo said. "Later this year, Tesla will begin production of new Supercharger equipment that will enable non-Tesla EV drivers in North America to use Tesla Superchargers," according to the memo.

The expansion -- and exposure to customers of other EVs brands -- could help Tesla capture more revenue and attention as automakers begin launching new EVs over the next couple of years. The memo did not mention how much money Tesla will invest in adding stations to its fast-charging network, but said that the EV maker is ramping up production of "power electronics components that convert alternating current to direct current, charging cabinets, posts and cables."

An anonymous reader quotes a report from Car and Driver, written by Ezra Dyer: Politicians have to run on some kind of platform, and Ben Moss -- my incoming state House representative here in North Carolina's District 52 -- decided that his animating principle is Being Mad at Electricity. To prove his animosity toward this invisible menace, he's sponsoring House Bill 1049, which would allocate $50,000 to destroy free public car chargers. It contains some other enlightened ideas, but that's the main theme: We've simply got to do something about these free public chargers, even if it costs us $50,000! Those things cost tens of cents per hour, when they're being used.

Of course, there's a caveat here. Moss isn't saying that free public Level 2 chargers -- of which there are three in my town, with plans in the works to convert to paid kiosks -- definitely need to get crushed by a monster truck. That rule only comes into play if a town refuses to build free gas and diesel pumps next to the EV chargers. So anyway, warm up El Toro Loco, we're smashin' some car zappers! But what about private businesses? you ask. Don't worry, Moss hasn't forgotten that a business might put a charger on its property as an inducement for EV owners to patronize the establishment. And small business is the heart of the local economy. That's why he's staying out of the way when it comes to private property. Just kidding! Ben Moss cares about the consumers being harmed by these hypothetical free chargers -- namely, any customer who arrived via internal-combustion vehicle, or on foot, or in a sedan chair. Why is someone else gaining some advantage based on a decision they made? That's not how life works.

Thus, House Bill 1049 decrees that all customer receipts will have to show what share of the bill went toward the charger out in the lot. That way, anyone who showed up for dinner in an F-150 (not the electric one) can get mad that their jalapeno poppers helped pay for a business expense not directly related to them. It's the same way you demand to know how much Applebee's spends to keep the lights on in its parking lot overnight, when you're not there. Sure, this will be an accounting nightmare, but it'll all be worth it if we can prevent even one person from adding 16 miles of charge to a Nissan Leaf while eating a bloomin' onion -- not that restaurants around here have free chargers, but you can't be too careful. Now, there is a charger at the neighborhood Ford dealership, which is marking up Broncos by $20,000. Coincidence? I think not. "Critics of this bill might point out that increasing the number of electric cars could actually benefit owners of internal-combustion vehicles, thanks to reduced demand for petroleum products," adds Dyer. "Electron heads, as I call them, also like to point out that electricity is generated domestically, so your transportation dollars are staying in the U.S. rather than going to, say, Saudi Arabia."

System76, the Colorado-based Linux laptop, desktop, and server specialist, has announced a new highly portable laptop with an Intel Alder Lake processor inside. Tom's Hardware reports: The new Lemur Pro(opens in new tab) is a "lighter than Air" 14-inch form factor laptop with excellent battery life and attractions such as open firmware (powered by Coreboot) and a 180-degree hinge. In addition, buyers can choose to go with Pop!_OS 22.04 LTS or Ubuntu 22.04 LTS pre-installed. The new Lemur Pro has many attractive modern features you might see advertised in many rival mainstream thin and light designs. However, the special sauce here is the "System76 Open Firmware with Coreboot." Coreboot, known initially as LinuxBIOS, is significant as it is an open-source BIOS implementation embraced by Linux users. It is lightweight, flexible, and feature-rich. [...]

System76 has designed the Lemur Pro with monitor-based docking in mind. It envisions users connecting to a big screen using the USB-C connection to benefit from the more expansive workspace and laptop charging. Like Windows, Linux had to have some serious tinkering under the hood to prepare for the mix of Performance and Efficiency cores in Alder Lake chips. However, rest assured, efficient hybrid scheduling is taken care of with the two OS options that can be pre-installed on the Lemur Pro.

System76 allows customers to configure and buy Lemur Pro laptops right now. There are many RAM and storage configurations to pick through, and you can add external keyboards and monitors to the bundle. The entry price with an Intel Core i5-1235U, 8GB RAM, 240GB of storage, and no extras is $1,149. However, the Core i7-1255U model is a bit of a stretch, adding $200 to the base price for the faster CPU clocks.

Apple is reportedly planning to launch an "extreme sports" version of the Apple Watch this year, according to Bloomberg's Mark Gurman. TechCrunch reports: The extreme sports Apple Watch is expected to have the company's largest smartwatch display to date, along with a bigger battery and rugged metal casing. The display will measure in at almost two inches diagonally, Gurman says. The extreme sports model will have about 7% more screen area than the largest current Apple Watch. The display will also have a resolution of about 410 pixels by 502 pixels. Gurman speculates that the larger screen could be used to display more fitness metrics or information on watch faces.

In addition, Gurman says the extreme sports watch will use a stronger metal than aluminum and have a more shatter-resistant screen. The watch is also expected to have a larger battery in order to accommodate longer workout times. Gurman also says the watch is expected to have improved tracking metrics, such as the ability to detect elevation when hiking. As with the Apple Watch 8, the extreme sports model is expected to have the ability to detect fevers by taking the wearer's body temperature. The extreme sports model is reportedly going to be announced later this year, alongside two other models, the Apple Watch Series 8 and an updated version of the low-end Apple Watch SE.

Gurman says the Apple Watch Series 8 will retain its 1.9-inch diagonal screen size, while the Apple Watch SE will stick with its current 1.78-inch screen size. The extreme sports version of the Apple Watch is expected to cost more than the standard stainless steel Apple Watch, which is currently priced at $699. All of the new Apple Watches will use an S8 processor with similar performance to the S7 chip in the Apple Watch Series 7, Gurman says. Apple typically announces its new watch models in September alongside its new iPhone launches.

Volkswagen said it would invest $20.38 billion to build electric vehicle batteries, a move the company says will create 20,000 jobs and generate $20.38 billion in annual sales. The Verge reports: The automaker will create a new company called Power Co to oversee the vast effort as VW races to secure enough capacity, materials, and supplies to power its EV ambitions. Power Co will manage VW's entire battery supply chain, from research and development of new technologies to the mining of the raw materials to end-of-life recycling. The news was announced at a groundbreaking ceremony for the company's first battery plant in Salzgitter, a city in Germany's Lower Saxony.

Last year, VW unveiled plans to build six battery cell production plants in Europe by 2030, including the facility in Salzgitter and one in Skelleftea, Sweden. A third plant will be established in Valencia, Spain, and the fourth factory will be based in Eastern Europe. The company is also exploring plans to build future gigafactories in North America. The plants will eventually have a production capacity of 240 gigawatt-hours a year. Starting in 2023, VW plans to roll out a new unified prismatic cell design of its batteries that will be installed across the automaker's brands. The goal is to have this unified cell design powering up to 80 percent of VW's electric vehicles by 2030. VW also has contracts with two other major battery producers, Samsung and CATL. And the company is backing a startup based in San Jose, California, QuantumScape, which is working on more energy-efficient solid-state batteries.

Polar Night Energy says it's just opened its first commercial sand battery at the premises of "new energy" company Vatajankoski, a few hours out of Helsinki. New Atlas reports: This is a thermal energy storage system, effectively built around a big, insulated steel tank -- around 4 meters (13.1 ft) wide and 7 meters (23 ft) high -- full of plain old sand. When this sand is heated up, using a simple heat exchanger buried in the middle of it, this device is capable of storing an impressive 8 megawatt-hours of energy, at a nominal power rating of 100 kW, with the sand heated to somewhere around 500-600 degrees Celsius (932-1112F). When it's needed, the energy is extracted again as heat in the same way. Vatajankowski is using this stored heat, in conjunction with excess heat from its own data servers, to feed the local district heating system, which uses piped water to transmit heat around the area. It can then be used to heat buildings, or swimming pools, or in industrial processes, or in any other situation that requires heat.

This helps make it extremely efficient, the company tells Disruptive Investing in a video interview. "It's really easy to convert electricity into heat," says Polar Night CTO Markku Ylonen. "But going back from heat to electricity, that's where you need turbines and more complex things. As long as we're just using the heat as heat, it stays really simple." The company claims an efficiency factor up to 99 percent, a capability to store heat with minimal loss for months on end, and a lifespan in the decades. There's nothing special about the sand -- the company says it just needs to be dry and free from combustible debris. [...] The company says it'll scale up, too, with installations around 20 gigawatt-hours of energy storage making hundreds of megawatts of nominal power, and the sand heated as far as 1,000C (1,832F) in certain designs. It's possible to create bulk underground storage facilities out of disused mine shafts, if they're the right shape. There are no high-pressure vessels needed, and the biggest cost involved is often the pipework.

Toyota sold its 200,000th plug-in electric vehicle in the US, triggering a slow phaseout of the federal EV tax credit over the next 15 months, according to Bloomberg. The automaker is the third manufacturer to pass this mark, following Tesla and General Motors. The Verge reports: The phaseout for Toyota is poorly timed, coming just weeks after the company's new electric SUV, the bZ4X, went on sale in the US. It's the latest bad piece of EV news to hit the automaker, coming just a few weeks after it was forced to recall the bZ4X over loose hub bolts that could cause the wheels to come off while driving. Toyota pledged to spend $17.6 billion to roll out 30 battery-electric models by 2030.

The phaseout of the federal tax credits begins two quarters after an auto manufacturer sells 200,000 plug-in vehicles. Customers of Toyota cars that are eligible for the credit (like the bZ4X and the plug-in hybrid Prius Prime) will only be able to receive a maximum of $3,750 starting on October 1st. The maximum available credit will halve again on April 1st to $1,875, and it will completely phase out six months later in October 2023. A Toyota spokesperson confirmed the scheduled phase-out to The Verge.

Longstanding Thunderbolt and network-attached storage company Drobo filed for Chapter 11 bankruptcy in late June, and will hold its first creditors meeting on July 17. AppleInsider reports: First formed as Data Robotics in 2005, Drobo manufactured solutions for remote and network storage. Parent company StarCentric filed bankrupcy papers with the California Northern Bankruptcy Court (San Jose) on June 20, 2022. According to official court documentation, the company is to hold its first creditors meeting on July 19. There is also a final deadline for filing claims against the company, which is October 17, 2022.

The company has no commented publicly on the decision. However, the company appears to have been badly affected by the coronavirus. [...] Drobo's online US and European stores are currently both showing every product as sold out. The Chapter 11 filing implies that the company is trying to reorganize and return to full operations at some point. It isn't yet clear what the reorganization will look like, nor the magnitude of the creditors' demands.

A 900 MW 'water battery' that cost Switzerland 2 billion euros and was under construction for 14 years, is now operational, Euronews reported. The battery is located nearly 2,000 feet (600 m) underground in the Swiss Alps. Interesting Engineering reports: A water battery consists of two large pools of water located at different heights. When power production is high, excessive power is used to move water from the lower pool to the pool at a higher height, which is similar to charging a conventional battery. When power demand increases, the water at the higher level can be released and, as it heads to the lower pool, it passes through turbines that generate electricity and can be used to power the grid.

The water battery that recently went operational in Switzerland has a storage capacity of 20 million kWh, the equivalent of 400,000 electric cars, and is aimed at helping stabilize the energy grid in Switzerland and other connected grids in Europe. The plant has six turbines that can generate 900 MW of power, Euronews revealed. The battery has been built between the reservoirs of Emosson and Vieux Emosson in Valais, a canton in the southwestern part of Switzerland. Located nearly 2,000 feet (600 m) underground, the vast engine room of the plant measures about 650 feet (200 m) long and is over 100 feet (32 m) wide.

To move the building materials to the site, the engineers had first to carve out tunnels through the Alps. The length of the tunnels dug for the project extends to about 11 miles (18 km). Once these tunnels were in place, building material and prefabricated buildings could be moved into the mountain, a process that took 14 years. To increase the energy storage capacity of the battery, the height of the Vieux Emosson dam was also increased by 65 feet (20 m). After all this hard work, the battery is now operational and at its peak is capable of powering 900,000 homes at a time.

An anonymous reader quotes a report from Ars Technica: A recent media release from market research firm IDC predicts that Meta (the parent company of Facebook) may not be able to compete in the mixed-reality business in the long run if its strategy remains unchanged. The media release offers a bird's-eye view of the virtual reality hardware marketplace. In the release, IDC research manager Jitesh Ubrani said that, while "Meta continues to pour dollars into developing the metaverse, [the company's] strategy of promoting low-cost hardware at the expense of profitability isn't sustainable in the long run."

A similar concern was raised by tech industry analyst Ming-Chi Kuo late last month. Kuo predicted that Meta would make moves to scale down investment in virtual reality, creating an opening for Apple and other competitors. He also wrote that Meta's practice of selling VR headsets at a loss is unsustainable. Currently, Meta owns 90 percent of the VR headset market, according to the IDC release. In distant second is ByteDance's Pico, at just 4.5 percent. Overall, VR headset shipments jumped 241.6 percent year over year in the first quarter of 2022. But the industry faced significant supply issues in Q1 2021, contributing to "a favorable comparison" for this year's Q1.

Like Kuo a couple of weeks ago, IDC research director Ramon Llamas said that "all eyes will be on Apple as it launches its first headset next year." Apple's headset is expected to be much more expensive than Meta's offerings, driving up the average unit price for the product category across the board, and Llamas believes Apple's offering "will appeal primarily to a small audience of early adopters and Apple fans." In other words, don't expect the first Apple headset to ship vastly more units than Meta's Oculus Quest 2 right out of the gate. It's just a first step in a long-term plan to own the mixed-reality market.

The party is over for PC makers as figures from Gartner suggest the market is on course for a breathtaking decline this year. From a report: According to the analysts, worldwide PC shipments will decline by 9.5 percent, with consumer demand leading the way -- a 13.5 percent drop is forecast, far greater than business PC demand, which is expected to drop by 7.2 percent year on year. The PC market in the EMEA region is forecast to fare even worse, with a 14 percent decline on the cards for 2022. Gartner pointed the finger of blame at uncertainty caused by conflicts, price increases and simple unavailability of products. Lockdowns in China were also blamed for an impact in consumer demand. It all makes for grim reading from a channel perspective. While worldwide PC shipments fared the worst, tablet devices are forecast to fall by 9 percent and mobile phones by 7.1 percent. Overall, the total decline over all types of devices in the report is expected to be 7.6 percent. This is in stark contrast to a 11 percent increase year on year in the shipment of PCs in 2021 and 5 per cent for mobile phones.

The Associated Press reports on a massive new 150-foot (45-meter) tower going up in Berlin — just to hold 56 million liters (14.8 million gallons) of hot water that "will help heat Berlin homes this winter even if Russian gas supplies dry up..."

"[T]he new facility unveiled Thursday at Vattenfall's Reuter power station will hold water brought to almost boiling temperature using electricity from solar and wind power plants across Germany. During periods when renewable energy exceeds demand the facility effectively acts as a giant battery, though instead of storing electricity it stores heat..." "It's a huge thermos that helps us to store the heat when we don't need it," said Tanja Wielgoss, who heads the Sweden-based company's heat unit in Germany. "And then we can release it when we need to use it.... Sometimes you have an abundance of electricity in the grids that you cannot use anymore, and then you need to turn off the wind turbines," said Wielgoss. "Where we are standing we can take in this electricity."

The 50-million-euro ($52 million) facility will have a thermal capacity of 200 Megawatts — enough to meet much of Berlin's hot water needs during the summer and about 10% of what it requires in the winter. The vast, insulated tank can keep water hot for up to 13 hours, helping bridge short periods when there's little wind or sun....

Berlin's top climate official, Bettina Jarasch, said the faster such heat storage systems are built, the better. "Due to its geographic location the Berlin region is even more dependent on Russian fossil fuels than other parts of Germany," she told The Associated Press. "That's why we're really in a hurry here."
"While it will be Europe's biggest heat storage facility when it's completed at the end of this year, an even bigger one is already being planned in the Netherlands."

Slashdot reader DevNull127 writes: GM plans to spend $35 billion on EVs and autonomous vehicles by 2025 (and produce a whopping 400,000 EVs). Jeep's parent company Stellantis will invest $35.5 billion in electrification and software, producing 25 all-electric vehicles by 2030. And Ford will spend even more — $50 billion on electrification — by 2026, while producing two million electric vehicles annually.

These are the statistics in the Detroit News, the top newspaper in America's top car-making city. They predict that by 2026 there'll be 180 different "crossover nameplates" in the electric vehicle market — although here's the most surprising statistic of all.

"The automakers are funding their EV investments with profits from SUVs and trucks."

Even with that, the senior auto analyst at Bank of America tells the newspaper that 25% of U.S. auto sales will be electric within just a few years.

"A metallic NATO is starting to take shape," writes the senior metals columnist at Reuters, "though no-one is calling it that just yet." The Minerals Security Partnership is in theory open to all countries that are committed to "responsible critical mineral supply chains to support economic prosperity and climate objectives". But the coalition assembled by the United States is one of like-minded countries such as Australia, Canada, the United Kingdom, France and Germany with an Asian axis in the form of Japan and South Korea. [Also the European Commission, as well as Finland and Sweden.]

It is defined as much as anything by who is not on the invite list — China and Russia.

China's dominance of key enabling minerals such as lithium and rare earths is the single biggest reason why Western countries are looking to build their own supply chains. Russia, a major producer of nickel, aluminium and platinum group metals, is now also a highly problematic trading partner as its war in Ukraine that the Kremlin calls a "special military operation" grinds on. A previously highly globalised minerals supply network looks set to split into politically polarised spheres of influence, a tectonic realignment with far-reaching implications. The United States and Europe have realised that they can't build out purely domestic supply chains quickly enough to meet demand from the electric vehicle transition....

The process was already well underway before the U.S. State Department announced the formation of the Minerals Security Partnership on June 14. U.S. and Canadian officials have been working closely as Canada fleshes out a promised C$3.8 billion ($3.02 billion) package to boost production of lithium, copper and other strategic minerals. European Commission Vice-President Maros Sefcovic has just been in Norway to seal "a strategic partnership" on battery technologies and critical raw materials.
The article points out America's Department of Defense is already investing $120 million in a new plant for heavy rare earths separation — and has chosen an Australian company as its partner.

Shortly thereafter the Defense Department noted an online disinformation campaign against its new partner (according to U.S.-based cybersecurity firm Mandiant), disinformation which Reuters describes as "a pro-China propaganda campaign" using fake social media accounts to try to stir up opposition.

An anonymous reader shares this report from NBC News: A controversial bitcoin mining operation on the largest of central New York's Finger Lakes does not meet the requirements of state climate laws, New York's Department of Environmental Conservation ruled Thursday, denying an air permit request the entity's owner, Greenidge Generation LLC., made in March 2021.

Renewing the air permit for the Greenidge facility on Seneca Lake "would be inconsistent with or would interfere with the attainment of statewide greenhouse gas emission limits," the Department of Environmental Conservation, or DEC, said in its ruling. It added that the company, which burns natural gas at its plant, has "failed to demonstrate that the continued operation of the facility is justified notwithstanding this inconsistency, as it has not provided any electric system reliability or other ongoing need for the facility." Greenhouse gas emissions from the plant have increased "dramatically" since a previous permit was issued to Greenidge in 2016 and after the 2019 enactment of New York's Climate Leadership and Community Protection Act, DEC said.

Local residents and environmental groups lauded the decision. Greenidge said it would continue to operate the plant under its current permit while it challenged the DEC ruling....

Greenidge took over a mothballed power plant on the shores of Seneca Lake in 2014 and requested permits to operate it as a so-called peaker plant, providing electricity to the grid in times of heavy use. While the operation initially supplied most of its power to the grid, DEC found its main purpose has become bitcoin mining.
The article adds that the global usage of electricity for bitcoin mining "roughly equals the consumption of Pakistan, according to the University of Cambridge Bitcoin Electricity Consumption Index."

An anonymous reader quotes a report from Phoronix, written by Michael Larabel: RISC-V International has relayed word to us that in China the DeepComputing and Xcalibyte organizations have announced pre-orders on the first RISC-V laptop intended for developers. The "ROMA" development platform features a quad-core RISC-V processor, up to 16GB of RAM, up to 256GB of storage, and should work with most RISC-V Linux distributions. [...] DeepComputing and Xcalibyte say this laptop uses an "unannounced" quad-core RISC-V processor so is very light on the details. But frankly if it wasn't a RISC-V International PR contact relaying this to me, it sounds more like a satire announcement. The ROMA press release today goes on to note, "A Web3-friendly platform with NFT creation and publication plus integrated MetaMask-style wallet, ROMA will create an even more integrated experience with future AR glasses and AI speakers operating entirely on RISC-V software and powered by RISC-V hardware."

Quantities are also said to be limited for this ROMA laptop, which likely will put a pricing premium on it. Their cringe-worthy press release filled with buzzwords and scant technical details goes on to note, "The first 100 customers to pre-order ROMA will receive a unique NFT to mark the birth of the world's first native RISC-V development platform laptop. And you can have your ROMA personally engraved with your name or company name." [...] So right now this announcement just raises a lot more questions than answers, but we are certainly looking forward to hearing more about RISC-V laptops... Further reading: Pine64 Is Working On a RISC-V Single-Board Computer

Open hardware company Pine64 says it's preparing to launch a single-board computer (SBC) that will be its most powerful RISC-V powered device yet. Liliputing reports: While Pine64 hasn't provided detailed specs yet (some are still being worked out), the company says that the upcoming SBC have a RISC-V chip that offers comparable performance to the Rockchip RK3566 quad-core ARM Cortex-A55 processor at the heart of Pine64's Quartz64 board.

The RISC-V board will be available with 4GB or 8GB of RAM and features support for USB 3.0, Gigabit Ethernet, and a PCIe slot. And while Pine64 hasn't revealed which RISC-V processor it's using yet, the company notes that that the chip features an Imagination Technologies BXE-2-32 GPU which is designed for "entry-level" and "mid-range" applications and for which Imagination plans to make source code available soon. Pine64 says the board will follow the "Model A" form factor, meaning it'll measure around 133 x 80 x 19mm (5.24" x 3.15" x 0.75"). That makes it a bit larger than a Raspberry Pi Model B, but the extra space means there's room for that PCIe slot and other I/O connectors.

An anonymous reader quotes a report from Ars Technica: Since 2015, a California-based company called Mojo Vision has been developing smart contact lenses. Like smart glasses, the idea is to put helpful AR graphics in front of your eyes to help accomplish daily tasks. Now, a functioning prototype brings us closer to seeing a final product. In a blog post this week, Drew Perkins, the CEO of Mojo Vision, said he was the first to have an "on-eye demonstration of a feature-complete augmented reality smart contact lens." In an interview with CNET, he said he's been wearing only one contact at a time for hour-long durations. Eventually, Mojo Vision would like users to be able to wear two Mojo Lens simultaneously and create 3D visual overlays, the publication said. According to his blog, the CEO could see a compass through the contact and an on-screen teleprompter with a quote written on it. He also recalled viewing a green, monochromatic image of Albert Einstein to CNET.

At the heart of the lens is an Arm M0 processor and a Micro LED display with 14,000 pixels per inch. It's just 0.02 inches (0.5 mm) in diameter with a 1.8-micron pixel pitch. Perkins claimed it's the "smallest and densest display ever created for dynamic content." Developing the contact overall included a focus on physics and electronics miniaturization, Perkins wrote. Mojo Lens developed its power management system with "medical-grade micro-batteries" and a proprietary power management integrated circuit. The Mojo Lens also uses a custom-configured magnetometer (CNET noted this drives the compass Perkins saw), accelerometer, and gyroscope for tracking. [...]

A contact lens sounds like it has the potential to be even more discreet than AR headgear posing as regular Ray-Bans. But the current prototype uses a "relay accessory," as Mojo Vision's rep put it, worn around the neck. It includes a processor, GPU, and 5 GHz radio for sending and receiving data to and from the lens. According to CNET, the accessory also sends information "back to computers that track the eye movement data for research." Perkins' blog said this tech required custom ASIC designs. [...] The current prototype also uses a hat with an integrated antenna for easier connecting, CNET reported; though, we'd expect this to be omitted from a final product. "There's no firm release date for the Mojo Lens, which could be the first AR contact lens to reach consumers," adds Ars. "Near-term goals include getting potential partners, investors, and journalists to try the smart lens."

Global nuclear power capacity needs to double by the mid-century to reach net-zero emissions targets. This will help ensure energy security as governments try to reduce their reliance on imported fossil fuels, the International Energy Agency (IEA) said on Thursday. Euronews reports: Achieving net-zero emissions by 2050 would give the world a chance of capping temperature rises at 1.5 degrees Celsius above pre-industrial levels. To reach net-zero emissions, nuclear power capacity needs to double to 812 gigawatts (GW) by 2050 from 413 GW early this year, the IEA report specifies. In the 2030s, annual nuclear power capacity will have to reach 27 GW, it added.

As around 260 GW, or 63 percent, of nuclear plants in the world are currently over 30 years old and nearing the end of their initial operation licenses. Although there have been moves in the past three years to extend the lifetimes of plants representing around 10 per cent of the global fleet, nuclear plants in advanced economies could shrink by a third by 2030, the report said. Advanced economies have nearly 70 per cent of global nuclear capacity -- but the problem is the fleet is aging. Investment has stalled and the latest new projects have run far over budget and behind schedule, the report said.

Engineers at MIT and the National Renewable Energy Laboratory (NREL) have designed a heat engine with no moving parts. It converts heat to electricity with over 40% efficiency -- making it more efficient than steam turbines, the industrial standard. MIT Technology Review reports: The invention is a thermophotovoltaic (TPV) cell, similar to a solar panel's photovoltaic cells, that passively captures high-energy photons from a white-hot heat source. It can generate electricity from sources that reach 1,900 to 2,400C -- too hot for turbines, with their moving parts. The previous record efficiency for a TPV cell was 32%, but the team improved this performance by using materials that are able to convert higher-temperature, higher-energy photons. The researchers plan to incorporate the TPV cells into a grid-scale thermal battery. The system would absorb excess energy from renewable sources such as the sun and store that energy in heavily insulated banks of hot graphite. Cells would convert the heat into electricity and dispatch it to a power grid when needed.

The researchers have now successfully demonstrated the main parts of the system in small-scale experiments; the experimental TPV cells are about a centimeter square. They are working to integrate the parts to demonstrate a fully operational system. From there, they hope to scale up the system to replace fossil-fuel plants on the power grid. Coauthor Asegun Henry, a professor of mechanical engineering, envisions TPV cells about 10,000 feet square and operating in climate-controlled warehouses to draw power from huge banks of stored solar energy.