Energy & Green Tech news
Electronics & Semiconductors
Microcapacitors with ultrahigh energy and power density could power chips of the future
In the ongoing quest to make electronic devices ever smaller and more energy efficient, researchers want to bring energy storage directly onto microchips, reducing the losses incurred when power is transported between various ...
17 hours ago
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Engineering
Additive manufacturing could turn the tides for marine energy technologies
Milk and cookies. Peanut butter and jelly. Macaroni and cheese. All delightfully perfect pairs. Researchers at the National Renewable Energy Laboratory (NREL) discovered another promising pair: marine energy and additive ...
15 hours ago
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Australia's building sector must look at its carbon budget, say experts
For decades, the construction industry has been largely driven by financial feasibility—focusing on cost optimization and return on investment.
16 hours ago
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Opinion: Nuclear power makes no sense for Australia—but it's a useful diversion from real climate action
Opposition leader Peter Dutton argues Australia needs nuclear power to achieve net zero emissions by 2050.
14 hours ago
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Bill awaiting DeSantis' OK would end years of renewable energy policies
A bill sitting on Gov. Ron DeSantis' desk would end the state's support of renewable and clean energy and keep Florida reliant on fossil fuels, critics say.
20 hours ago
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Energy & Green Tech
Electric vehicles will start to cut emissions and improve air quality in our cities—but only once they're common
Electric vehicles are often seen as the panacea to cutting emissions—and air pollution—from transport.
May 4, 2024
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Energy & Green Tech
Tidal energy is coming to Alaska. But how much?
Much of Alaska is empty—of humans, at least. Vast tundra and forest separate cities and villages, dividing the state into more than 150 isolated power grids. The largest of these grids, known as the Railbelt, carries 70% ...
May 3, 2024
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Energy & Green Tech
Charting a cost-efficient path to a renewable energy grid for Australia
A model charts the most cost-efficient path to a fully renewable electricity grid for Australia.
May 3, 2024
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Energy & Green Tech
Heat wave swells Asia's appetite for air-conditioning
A record-breaking heat wave is broiling parts of Asia, helping drive surging demand for cooling options, including air-conditioning.
May 3, 2024
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Engineering
Researchers find use of olivine in cement production could result in carbon negative concrete
A small team of materials scientists and environmental engineers at Imperial College London has found that using olivine in cement could result in carbon-negative concrete. In their study, published in the journal Royal Society ...
Energy & Green Tech
Cost-effective, high-capacity and cyclable lithium-ion battery cathodes
Charge-recharge cycling of lithium-super-rich iron oxide, a cost-effective and high-capacity cathode for new-generation lithium-ion batteries, can be greatly improved by doping with readily available mineral elements.
May 2, 2024
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Energy & Green Tech
Researchers create massive open dataset to advance AI solutions for carbon capture
To avoid catastrophic climate impacts, excessive carbon emissions must be addressed. At this point, cutting emissions isn't enough. Direct air capture, a technology that pulls carbon dioxide out of ambient air, has great ...
May 2, 2024
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Robotics
Leveraging robots to help make wind turbine blades
Researchers at the U.S. Department of Energy's National Renewable Energy Laboratory (NREL) have successfully leveraged robotic assistance in the manufacture of wind turbine blades, allowing for the elimination of difficult ...
May 2, 2024
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Engineering
Light, flexible, efficient: Perovskite-based tandem solar cells
Roof tiles are becoming a thing of the past: Today, more and more Swiss roofs boast large black and blue rectangles that convert sunlight into electricity. The blueish color comes from silicon crystals, as the majority of ...
May 2, 2024
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Engineering
How green cities could remove CO₂ from the atmosphere
More than a thousand cities around the world now have "net zero" pledges: they want to emit only as much CO2 into the atmosphere as they can simultaneously recapture. An elaborate meta-study has now summarized the state of ...
May 2, 2024
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Energy & Green Tech
Electricity from farm waste: How biogas could help Malawians with no power
In sub-Saharan Africa, over 600 million people (more than 50% of the population) are without access to electricity. Malawi has one of the world's lowest electricity access rates—just 14.1% of the total population have access ...
May 2, 2024
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Energy & Green Tech
States rethink data centers as 'electricity hogs' strain the grid
State Sen. Norm Needleman championed the 2021 legislation designed to lure major data centers to Connecticut.
May 2, 2024
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