Category: Energy & Green Tech

Breaking down the battery problem: Cheaper, more efficient cathodes could cut costs Consider the humble rechargeable battery: Many people start their day by unplugging their phone from a charger to check the weather or commute to work, or throw on their favorite podcast. They’ll end the day by plugging in their phone to charge again…

Can thermal noise train a computer? A new framework points to low-power AI What if the thermal noise that hinders the efficiency of both classical and quantum computers could, instead, be used as a power source? What if computers could make use of the noise instead of suppressing or overcoming it? These are the goals…

Heavy-metal-free quantum dots hit record solar hydrogen photocurrent of 15.1 mA/cm² A research team has developed a technology to precisely control the concentration of anion defects in eco-friendly quantum dots through joint research. Through this technology, the research team achieved world-class solar hydrogen production efficiency in the field of heavy-metal-free eco-friendly quantum dot photoelectrodes. The…

Interphase strategy tames Zn and Sn migration, boosting CZTSSe cells past 15% efficiency Safe, efficient, and economical light-absorbing (photovoltaic) technology is key to developing the next generation of solar cells. Cu2ZnSn(S,Se)4 (CZTSSe) photovoltaics—using the easily accessible elements copper, zinc, tin, and sulfur and/or selenium—hold great promise thanks to their abundant elemental reserves, low cost, high…

Rechargeable Mg-O₂ battery uses metal-free nanoporous graphene cathode Large-capacity rechargeable batteries capable of sustaining repeated charge-discharge cycles are expected to become core technologies for electric vehicles and other elements of an electrified society. However, current systems often rely on costly metals such as lithium and platinum, creating an urgent demand for more cost-effective alternative materials.…

‘Solar battery’ stores sunlight for days, then releases hydrogen on demand A new material can store energy from sunlight and convert it into hydrogen days later. The material, jointly developed by researchers from Ulm and Jena, can do this even in the dark. The process is reversible and can be reactivated several times using a…

How natural hydrogen, hiding deep in the Earth, could serve as a new energy source In the search for more, new and cleaner sources of energy, a largely untapped resource is emerging: natural hydrogen. Go to techxplore

AI’s growing appetite for power is putting Pennsylvania’s aging electricity grid to the test The rapid growth of data centers that support artificial intelligence is reshaping how electricity systems operate across the United States. Go to techxplore

The unintended consequences of decarbonizing steelworks For more than a century, Port Talbot in Wales has been dominated by its steelworks. The daily lives of residents have been shaped by this industry. Shifts have set the traffic, sirens marked time, at night the furnaces lit the sky orange. Steel wasn’t just an industry. It was…

AI analysis finds sunnier sites and compact layouts cut solar’s land footprint As solar energy is rapidly becoming the world’s largest renewable power source, new research from McGill University offers a clearer picture of how much land that growth could require and how smarter choices could mitigate solar energy’s land footprint. “Solar photovoltaics are poised…

Solvent‑free perovskite solar cell technology could pave way for scalable production Researchers at The Hong Kong University of Science and Technology (HKUST) have developed a multi-source co-evaporation recipe that markedly enhances the crystal quality of vacuum-deposited perovskite films. This advance brings all vacuum-deposited single-junction perovskite cells as well as perovskite-on-silicon tandem solar cells closer to…

New AI software set to accelerate delivery of vital net-zero infrastructure New software, developed by the University of Sheffield spin-out AENi aims to transform how the world’s essential net-zero infrastructure is planned. The new digital platform will help the organizations shaping the world’s critical net-zero infrastructure to de-risk projects and accelerate delivery. Go to techxplore

Quantum materials could enable the solar-powered production of hydrogen from water Hydrogen fuel is a promising alternative to fossil fuels that only emits water vapor when used and could thus help to lower greenhouse gas emissions on Earth. In the future, it could potentially be used to fuel heavy-duty transport vehicles, such as trucks, trains,…

Cold and expensive vs. hot, cheap and eco-friendly: Contrasting histories of home heating in the UK and Sweden The new year in Sweden began with some record-breaking cold temperatures. Temperatures in the village of Kvikkjokk in the northern Swedish part of Lapland dropped to -43.6°C, the lowest recorded since records began in 1887. Go to…

South Africa is moving away from coal—how mines and power stations could be used for green energy and farming Globally, nearly 7,000 coal mines, more than 2,400 coal-fired power plants and hundreds of coal rail networks, trucks and port terminals all make up the world’s coal industry. When coal is phased out and green energy…

Hot cities, safer buildings: A cooling coating that can also reduce fire risk An international research team has demonstrated how conventional radiative cooling coatings can be optimized to further reduce building surface temperatures, cutting energy consumption, while also improving fire safety. Go to techxplore

Small nuclear reactors move forward: Will Maryland catch up? Small, possibly portable, nuclear reactors that can’t melt down are moving toward reality in the United States, with what may be the first two coming online or beginning construction this year. Go to techxplore

Blending hydrogen into gas pipelines could enrich utilities and harm Californians The people of Orange Cove in Fresno County could soon be an unwilling part of an experiment in dangerous, expensive utility boondoggles. And if California’s gas companies get their way, families statewide will be forced to pay higher energy bills, breathe more indoor air…

Phosphorus addition could unlock safer, high-performance sodium-ion batteries Researchers at Kogakuin University have discovered that adding phosphorus (P2O5) to sodium-yttrium-silicate glasses significantly enhances their performance as solid electrolytes for next-generation sodium-ion batteries. This improvement arises from the formation of the high-performance Na5YSi4O12 crystal phase, which promotes high ionic conductivity and stability, making sodium-based batteries a…

Operando X-rays reveal key aging process in sodium-zinc molten salt batteries Up to now, it has only been possible to deduce indirectly why high-temperature batteries lose efficiency and durability while in use. For the first time, a team from the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) has now used operando X-ray radiography to look directly into a sodium-zinc…

Hybrid engine could reduce aviation emissions by up to 30% In the future, regional flights such as Trondheim-Oslo could become much more environmentally friendly with the help of a hybrid aircraft engine. This type of engine combines an electric motor and a combustion engine to drive a propeller. The innovation should be able to reduce…

Want to boost uptake of battery EVs? Subsidize chargers at home and work—not the vehicles Let’s say you want to encourage more drivers to shift to battery-electric vehicles. What’s the best way to do it? Globally, billions have been poured into incentives to encourage drivers to switch. The most popular approaches are rebates to cut…

Energy-hungry AI and air conditioning risk wiping out climate gains made by renewables The rapid expansion of renewable energy is being used to meet rising electricity demands rather than displacing fossil fuels, according to new research by the University of Sussex. Energy-hungry artificial intelligence data centers and greater use of air conditioning in a fast-heating…

Turning down the heat: Researcher identifies better way to remove heat from AI data centers A University of Houston professor has taken on the global challenge of reducing the staggering amount of heat generated in artificial intelligence data centers. Hadi Ghasemi, J. Willard Gibbs Distinguished Professor of Mechanical & Aerospace Engineering, has found that thin…

Dimethyl ether production process could significantly advance the hydrogen economy To ensure energy security and achieve its climate protection goals, Germany will import large quantities of hydrogen in the future. Dimethyl ether (DME) is an environmentally friendly, non-toxic, efficient, and economically attractive gas that shows great promise as an energy source for hydrogen and its…

How better governance can ease pressure on the electricity grid Demand-side flexibility, the ability to adjust electricity consumption in response to system needs, is often highlighted as a key tool for managing both growing electrification and a higher share of variable renewable energy, and is therefore seen as a core part of the energy transition.…

What is biochar? Miami-Dade thinks it might help reduce waste in landfills At the top of the South Dade Landfill, a massive oven that turns wood into charcoal is being tested by Miami-Dade County as an environmentally friendly way to cut down on landfill waste. Go to techxplore

China ramps up energy boom flagged by Musk as key to AI race New data on China’s relentless energy installations underscore warnings from Elon Musk and Jensen Huang that the nation’s world-beating power network will deliver a major advantage over the U.S. in the race to dominate artificial intelligence. Go to techxplore

How can computing for AI and other demands be more energy efficient? The growth and impact of artificial intelligence are limited by the power and energy that it takes to train machine learning models. So how are researchers working to improve computing efficiency to support the rising demand for AI and its requisite computing power?…

‘Discovery learning’ AI tool predicts battery cycle life with just a few days’ data An agentic AI tool for battery researchers harnesses data from previous battery designs to predict the cycle life of new battery concepts. With information from just 50 cycles, the tool—developed at University of Michigan Engineering—can predict how many charge-discharge cycles the…

Fungi turn shredded mattress foam into lightweight building insulation Swinburne researchers have turned old, unwanted mattresses into safe and sustainable building insulation materials using fungi. The team grew a common fungus together with shredded mattress foam to create a new material that is solid and lightweight. Their research is published in the journal Scientific Reports.…

Neptunium study yields plutonium insights for space exploration Researchers at the Department of Energy’s Oak Ridge National Laboratory are breathing new life into the scientific understanding of neptunium, a unique, radioactive, metallic element—and a key precursor for production of the plutonium-238, or Pu-238, that fuels exploratory spacecraft. Go to techxplore

Lessons from the sea: Nature shows us how to get ‘forever chemicals’ out of batteries As the world races to electrify everything from cars to cities, the demand for high-performance, long-lasting batteries is soaring. But the uncomfortable truth is this: many of the batteries powering our “green” technologies aren’t as green as we might think.…

Building energy resilience by understanding nuances of power outages across the US More frequent and intense weather phenomena like heat waves, windstorms, or atmospheric rivers often come in pairs and these challenging combinations stress the power grid and lead to outages. A multi-year analysis is the first of its kind to analyze combined weather events…

Novel membrane boosts water electrolysis performance in low-alkalinity conditions As green hydrogen emerges as a key next-generation clean energy source, securing technologies that enable its stable and cost-effective production has become a critical challenge. However, conventional water electrolysis technologies face limitations in large-scale deployment due to high system costs and operational burdens. Go to techxplore

Discoveries in testing solid-fuel ramjets advance research Scientists at the U.S. Naval Research Laboratory are developing the next generation of solid-fuel ramjet (SFRJ) propulsion, addressing one of the field’s most persistent challenges: understanding and predicting what happens inside an operating combustor. Go to techxplore

Heat from deep underground could help power global clean energy transition New technologies developed to extract oil and gas from deep within Earth have also opened the door to accessing super-high temperature heat just about anywhere. These enhanced geothermal systems (EGS) could play a valuable role in the global transition to clean, renewable energy and…

Speeding the path to synthetic jet fuel with AI, automation and biosensors When it comes to powering aircraft, jet engines need dense, energy-packed fuels. Right now, nearly all of that fuel comes from petroleum, as batteries don’t yet deliver enough punch for most flights. Scientists have long dreamed of a synthetic alternative: teaching microbes to…

Electric eel biology inspires powerful gel battery Power sources used in devices found in or around biological tissue must be flexible and nontoxic, while still powerful enough to support demanding technologies such as medical devices or soft robotics. To achieve this balance, researchers at Penn State are taking inspiration from a “shocking” place—electric eels. Go…

Geothermal energy has the potential to reshape global power supply Through a detailed mapping of the operating principles of current geothermal systems, scientists are pointing to vast, largely hidden potential capable of meeting the growing demands of an energy-hungry world. Go to techxplore

How to include fossil fuel communities in Canada’s clean energy transition Fossil fuel-dependent communities in Western Canada sit at the center of Canada’s energy decisions. A just and inclusive clean energy transition will depend on how well governments listen to these communities and how fast they deal with the forces working to slow down energy…

New model reveals significant energy requirement of rapid fossil fuel phase-out A substantial “transition energy” is required to phase out fossil fuels in the European Union, a study by Imperial College London has found, revealing that faster transitions demand significantly larger, and potentially disruptive, reallocations of energy resources within society. Go to techxplore

Sodium-based nanorods enable smart windows to block heat and save energy Thermal management is essential for reducing future heating and cooling energy consumption. Notably, the near-infrared (NIR) component of sunlight is closely associated with heat absorption. Go to techxplore

Off-the-shelf kitchen chemistry could make Li–S batteries thinner Demand is booming for batteries that are faster, thinner and cheaper. We want electric cars and bikes that travel further, devices that last longer, charge quicker and cost less. Today, lithium-ion batteries (LIBs) set the benchmark. But after decades of research, this technology is approaching its limits,…

A new approach to energy harvesting opened up by the quantum world Touch the back of a laptop and it often feels warm. This is because part of the energy used for computation and communication escapes to the outside as heat. Yet even this “waste heat” still contains a great deal of usable energy. Technologies…

Scientists uncover new quantum state that could power future technologies Scientists have discovered a new quantum state of matter that connects two significant areas of physics, potentially leading to advancements in computing, sensing and materials science. Go to techxplore

The UK’s offshore wind auction broke records, but its clean power target remains unrealistic The UK government has just announced the results of its biggest-ever auction for new offshore wind projects. By doubling the budget at the eleventh hour, it managed to award contracts for a massive 8.4 gigawatts of new capacity. Energy Secretary Ed…

Fragmented permitting slows US clean energy projects, study finds As states race to build wind and solar projects needed to curb climate change, how governments approve those projects can either speed construction or fuel delays and conflict, according to a new study by researchers at the University of Massachusetts Amherst. Go to techxplore

Study offers roadmap for cleaner, lower-cost EV charging in cold weather Electrifying cars and trucks can cut greenhouse gas emissions, but in cold regions the climate benefits hinge on what powers the grid. Go to techxplore

Greenland’s harsh environment and lack of infrastructure have prevented rare earth mining Greenland’s harsh environment, lack of key infrastructure and difficult geology have so far prevented anyone from building a mine to extract the sought-after rare earth elements that many high-tech products require. Even if President Donald Trump prevails in his effort to take control…

Ionogel innovation could power safe, enduring energy storage Researchers at the Department of Energy’s Oak Ridge National Laboratory have developed an innovative energy storage system design that introduces a safer, more efficient method for electrical charge transfer. Go to techxplore

Meta lines up massive supply of nuclear power to energize AI data centers Meta has cut a trio of deals to power its artificial intelligence data centers, securing enough energy to light up the equivalent of about 5 million homes. Go to techxplore

Manganese gets its moment as a potential fuel cell catalyst The road to a more sustainable planet may be partially paved with manganese. According to a new study by researchers at Yale and the University of Missouri, chemical catalysts containing manganese—an abundant, inexpensive metallic element—proved highly effective in converting carbon dioxide into formate, a compound…

Q&A: Developing a sustainable power grid in the era of AI Le Xie, Professor of Electrical Engineering at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS), wants to know how we can modernize the electric grid to support rapid electrification and the growing demands of AI infrastructure. His research at SEAS…

German renewable energy shift slowed in 2025 The share of renewables in German power production almost stagnated in 2025, data showed Monday, as concerns grow about a shift away from green policies under conservative Chancellor Friedrich Merz. Go to techxplore

UK sees record-high electricity from renewables in 2025: Study Britain produced a record-high amount of electricity from renewable energy last year, a study revealed on Friday. Go to techxplore

Norway closes in on objective of 100% electric car sales Norway came close to its objective of selling only zero-emission cars in 2025, with electric vehicles accounting for 95.9% of new registrations. Go to techxplore

New England unions push back against Trump administration’s move to freeze offshore wind projects Worker unions and politicians in New England are pushing back against the Trump administration’s move to implement a 90-day freeze on five industrial-sized offshore wind projects off the East Coast, including the Vineyard Wind 1 windfarm off of Nantucket. Go to…

Redesigned carbon molecules boost battery safety, durability and power Research published in the Journal of the American Chemical Society demonstrates a new way to make carbon-based battery materials much safer, longer lasting, and more powerful by fundamentally redesigning how fullerene molecules are connected. Go to techxplore

For computational devices, talk isn’t cheap: Research reveals unavoidable energy costs across all communication channels Every task we perform on a computer—whether number crunching, watching a video, or typing out an article—requires different components of the machine to interact with one another. “Communication is massively crucial for any computation,” says former SFI Graduate Fellow Abhishek…

Unlocking corrosion-free Zn/Br flow batteries for grid-scale energy storage Scientists have found a way to push zinc–bromine flow batteries to the next level. By trapping corrosive bromine with a simple molecular scavenger, they were able to remove a major barrier to the performance and lifespan of flow batteries. Go to techxplore

Anode-free battery can double electric vehicle driving range Could an electric vehicle travel from Seoul to Busan and back on a single charge? Could drivers stop worrying about battery performance even in winter? A Korean research team has taken a major step toward answering these questions by developing an anode-free lithium metal battery that can…

When disasters strike, home batteries could be a lifeline Extreme weather is placing greater strain on Australia’s power grids. In 2022, the record-breaking Northern Rivers floods blacked out almost 70,000 households. A powerful storm in 2024 cut electricity to more than half a million Victorians. In 2025, Cyclone Alfred left 320,000 homes without power. Go…

Ionic liquids slow perovskite degradation: Solar cells retain 90% performance at 90°C Solar cells, devices that can generate electricity from sunlight, are already helping to reduce fossil fuel emissions in many countries worldwide. In recent years, energy engineers have been assessing the potential of materials other than silicon for the development of efficient, durable and…

The quiet experiment that changed solar power: First solid-state solar cell based on a perovskite semiconductor Long before perovskite solar cells began smashing efficiency records and transforming the future of clean energy, their modern design first emerged from a quiet experiment at Northwestern University. Go to techxplore

Long-standing limitation in thin-film solar cells resolved with nanometric germanium oxide layer As the world urgently seeks clean energy solutions, solar power stands out for its abundance and scalability compared to other renewable energy sources. In recent years, researchers have turned to thin-film solar cell technologies as alternatives to traditional crystalline silicon solar cells, owing…

Big batteries are now outcompeting gas in the grid—and gas-rich Western Australia is at the forefront Australia’s electricity grids are undergoing a profound transformation. Solar and wind have provided 99% of new generating capacity since 2015. Last month, renewables hit parity with fossil fuels for the first time. Go to techxplore

Power when parked: EVs could help save money and reduce emissions by providing energy to homes Using electric vehicle batteries to power households could save their owners thousands of dollars in bills while cutting emissions from the power grid, according to new research from the University of Michigan and Ford Motor Company. Go to techxplore

EU 2035 combustion-engine ban review: What’s at stake The European Commission is expected to announce on Tuesday measures relaxing a 2035 ban on new gasoline and diesel car sales. Go to techxplore

Star power: How energy efficient is your home? Ever wondered how energy efficient your home is? Go to techxplore

Data-driven framework predicts electric vehicle range with improved real-world accuracy “Range anxiety” remains one of the major issues of electric vehicles (EVs). Most of the existing range prediction technologies rely on simulated conditions or limited datasets, making it difficult to accurately capture variations caused by regional climate, road conditions, and vehicle types. Go to techxplore

Blue jean dye could make batteries greener Sustainability is often described in shades of green, but the future of clean energy may also carry a hint of deep blue. Electric vehicles and energy storage systems could soon draw power from a familiar pigment found in denim. Go to techxplore

EU pushes back 2035 combustion-engine ban review to Dec. 16 A highly anticipated review of the EU’s 2035 ban on new petrol and diesel car sales has been pushed back to next week, the European Commission said Monday. Go to techxplore

Paving the way for solar fuels from CO₂ Researchers at the Vrije Universiteit Brussel (VUB), in collaboration with Stanford University, Antwerp University and Hasselt University, have achieved an advance in the development of sustainable materials for the production of solar fuels. The research was conducted by Dr. Beatriz de la Fuente within the SUME (Sustainable…

Will EU give ground on 2035 combustion-engine ban? Europe’s embattled auto industry and its backers are ramping up pressure on the EU to relax its planned 2035 ban on new petrol and diesel car sales—hoping for a decision by year end. Go to techxplore

Georgia Power says it needs a huge increase in power capacity to meet data center demand With data centers flooding into Georgia, utility regulators face a big decision: Should they let Georgia Power Co. spend more than $15 billion to increase its electricity capacity by 50% over the next six years to serve computer complexes?…

Puerto Rico case study provides better way to plan for energy transitions A new article published in Nature Communications offers insight into how government planners can better account for the many uncertainties that accompany the transition from fossil-fuel power systems to renewable or decarbonized systems. The paper, titled “Identifying key uncertainties in energy transitions with…

Dual use of land for solar energy production and cultivation found feasible in Finland Open farmlands are ideal locations for installing solar panels, but the most common method, which involves covering a large area with south-facing panels, prevents the field from being used for simultaneous farming. The panels can also be installed vertically, allowing crops…

Virtual battery model paves way for electric vehicle simulations Studies on integrating electric vehicles (EVs) into local energy markets have been hindered by the high computational complexity associated with EV modeling. Seyed Mahoor Ebrahimi’s doctoral dissertation at the University of Vaasa overcomes these hurdles by introducing a streamlined virtual battery model and a cost-effective charger…

Electric container ships won’t work—but a fleet of auxiliary battery ships could clean up shipping Shipping moves 90% of global trade and produces nearly 3% of global emissions. The sector has proved challenging to clean up, as cargo ships can travel for weeks between ports and typically rely on cheap, energy-dense and extremely polluting heavy…

Study finds lower emissions from higher-ethanol gasoline California residents will soon get some price relief at the pump and reductions in harmful vehicle emissions, thanks in part to a landmark UC Riverside vehicle emissions study. Go to techxplore

Soft hybrid material turns motion into power—without toxic lead Scientists have developed a new material that converts motion into electricity (piezoelectricity) with greater efficiency and without using toxic lead—paving the way for a new generation of devices that we use in everyday life. Go to techxplore

The gift that keeps on giving: How solar panels on farms can help increase crop yields Solar farm projects in the Canadian province of Alberta have been put on hold or canceled because of a recent increase in regulations in the province. The new regulations ban solar panels from agricultural land and force solar developers…

Fuel made from just air, power and water is taking off, but several things are holding it back Imagine powering long-haul aircraft and heavy ships with fuels derived from just air, water and renewable electricity. This is moving from science fiction to the verge of reality, thanks to the falling price of renewables like wind…

Carbon electrode enables 1-Wh-class stacked lithium-air battery with enhanced output and lifespan A joint research team from NIMS and Toyo Tanso has developed a carbon electrode that enables stable operation of a 1-Wh-class stacked lithium-air battery, achieving higher output, longer life and scalability simultaneously. Go to techxplore

World’s biggest nuclear plant edges closer to restart Japanese local authorities approved the restart of the world’s biggest nuclear plant on Friday for the first time since the 2011 Fukushima disaster. Go to techxplore

New ship power system keeps vessels running even if central control fails The shipbuilding industry is on the verge of a major leap forward. Timo Alho’s doctoral dissertation at the University of Vaasa introduces a pioneering power management strategy that prevents ship blackouts. In Alho’s management principle, the vessel’s electrical equipment is capable of independently…

Data centers’ insatiable demand for electricity is changing the entire energy sector, say researchers When the first large language models were unleashed, it triggered a headache for authorities around the world as they tried to figure out how to satisfy data centers’ endless demand for electricity. Go to techxplore

Researchers develop computer models for better biomass milling predictions Turning materials like wood chips, crop residues and municipal solid waste into fuels and chemicals is important for our country’s energy independence. Go to techxplore

Czech Republic plans $19 billion nuclear expansion to double output and end fossil fuel reliance The eight huge cooling towers of the Dukovany power plant overlook a construction site for two more reactors as the Czech Republic pushes ahead with plans to expand its reliance on nuclear energy. Go to techxplore

Renewable energy is reshaping the global economy—new report World leaders gather for the UN climate summit (COP30) in Belém, Brazil, amid concerns about the slow progress in cutting global carbon emissions. Ten years into the historic Paris climate agreement, we are off track to meet its core objective, to keep global warming well below 2°C,…

New carbon capture method uses water and pressure to remove CO₂ from emissions at half current costs A new, low-cost method for capturing carbon dioxide emissions from power plants and industrial facilities relies on a simple physical phenomenon—the same one that causes bubbles to fizz when popping a bottle of Champagne or cracking open a…

Newsom touts California’s record battery energy gains at UN climate conference California added 1,200 megawatts of battery energy storage to its electrical grid over the last six months, further building on its nation-leading capacity and pushing the state closer to its clean energy goals, officials said on Nov. 13. Go to techxplore

Low-grade heat from renewable sources could be used to desalinate water A McGill University-led research team has demonstrated the feasibility of a sustainable and cost-effective way to desalinate seawater. The method—thermally driven reverse osmosis (TDRO)—uses a piston-based system powered by low-grade heat from solar thermal, geothermal heat and other sources of renewable energy to produce…

AI-powered LED system delivers stable wireless power for indoor IoT devices The world’s first automatic and adaptive, dual-mode light-emitting diode (LED)-based optical wireless power transmission system, that operates seamlessly under both dark and bright lighting conditions, has been developed by scientists at Science Tokyo. The system, along with artificial intelligence-powered image recognition, can efficiently power…

How Pacific nations plan to go from spending up to 25% of GDP on fossil fuels to running on 100% renewables Picture dusk falling somewhere in the Solomon Islands. A fisher’s skiff glides home using a whisper-quiet electric outboard motor. In the Cook Islands, a big battery steadies the island grid. In Papua New Guinea’s…

Stirling engine generates mechanical power by linking Earth’s warmth to space Engineers at the University of California, Davis, have invented a device that can generate mechanical power at night by linking the natural warmth around us to the cold depths of space. The invention could be used, for example, to ventilate greenhouses or other buildings.…

The next frontier in clean flight? Jet fuel from city waste Aviation currently contributes about 2.5% of total global carbon emissions, and with air travel demand expected to double by 2040, cutting those emissions has become a pressing priority. One path forward is sustainable aviation fuel, a low-carbon alternative made from feedstocks such as used…

How electric cars and heat pumps can help Switzerland implement its energy strategy In the future, flexibly operated heat pumps and electric cars could reduce both electricity imports and electricity prices. That is according to a new study by a Swiss research consortium led by ETH Zurich. Go to techxplore

Research drives commercialization of energy-efficient solar cell technology toward 40% efficiency milestone Third-generation solar cell technology is advancing rapidly. An engineering research team at The Hong Kong Polytechnic University (PolyU) has achieved a breakthrough in the field of perovskite/silicon tandem solar cells (TSCs), focusing on addressing challenges that include improving efficiency, stability and scalability. Go…