Energy & Green Tech news
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.
19 hours ago
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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% ...
20 hours ago
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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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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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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
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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Energy & Green Tech
Microsoft makes renewable energy deal with Canada's Brookfield
Microsoft and Canada's Brookfield Asset Management have struck an agreement for the development of renewable energy that could make one of the biggest corporate purchases of green energy to date, the companies said on Tuesday.
May 2, 2024
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Energy & Green Tech
A new roadmap to close the carbon cycle
A major approach to achieving net-zero carbon emissions relies on converting various parts of the economy, such as personal vehicles and heating, to run via electricity generated from renewable sources. But carbon cannot ...
May 1, 2024
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Energy & Green Tech
Is bioenergy ever truly green? It depends on five key questions
Plans to revive an old coal-fired power station using bioenergy are being considered in the Hunter region of New South Wales. Similar plans for the station have previously not gone ahead. As we grapple with decarbonization, ...
May 1, 2024
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Energy & Green Tech
Methane emissions from landfill could be turned into sustainable jet fuel with plasma-driven process
In a world first, University of Sydney researchers have developed a chemical process using plasma that could create sustainable jet fuel from methane gas emitted from landfills, potentially creating a low-carbon aviation ...
Apr 30, 2024
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Energy & Green Tech
Research team improves voltage of aqueous rechargeable batteries in the quest for safer, cheaper options
A QUT-led team of international researchers has made a breakthrough in the development of a type of battery that is much safer and cheaper than the batteries currently charging our smart devices.
Apr 30, 2024
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Engineering
New model estimates cultivable space at photovoltaic plants for combining agricultural and photovoltaic production
A team at the University of Cordoba has developed a methodology that defines the cultivable space between two-axis photovoltaic modules, with the aim of promoting the conversion of existing plants over to agrivoltaic production.
Apr 30, 2024
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