Engineering
Engineers at MIT and the National Renewable Energy Laboratory (NREL) have designed a heat engine with no moving parts. Their new demonstrations show that it converts heat to electricity with over 40 percent efficiency—a ...
Apr 13, 2022
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Energy & Green Tech
Renewable energy prices have fallen by more than 70 percent in the last decade, driving more Americans to abandon fossil fuels for greener, less-polluting energy sources. But as wind and solar power continue to make inroads, ...
Apr 12, 2022
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Energy & Green Tech
The surge in gas and oil prices triggered by Russia's invasion of Ukraine could help speed the energy transition. But high prices won't be enough to ensure it succeeds; smart policies are still needed, writes Florian Egli.
Apr 7, 2022
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Energy & Green Tech
From wind farms across the African coastline to geothermal projects in the east African rift valley, a new United Nations climate report on Monday brought the continent's vast clean energy potential into the spotlight. If ...
Apr 4, 2022
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Energy & Green Tech
They don't look like much—126 cubes, each holding 16 modules of batteries—simply sitting on an expanse of flat land owned by San Diego Gas & Electric off Route 163.
Mar 30, 2022
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Energy & Green Tech
The rapid rise in gas prices following Russia's invasion of Ukraine has renewed calls for the U.S. to become "energy independent."
Mar 29, 2022
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Energy & Green Tech
The national transition to net-zero carbon emissions by 2050 will demand more from our electric grid than ever before. Stationary energy storage systems are critical to grid resiliency by ensuring that the power from renewable ...
Mar 25, 2022
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Energy & Green Tech
With extreme weather events rising in frequency, the need for a prepared modern energy grid grows.
Mar 14, 2022
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Energy & Green Tech
Have you ever gotten relief from summertime heat by draping a wet towel over your head? If so, you've benefited from a phase-change material (PCM): a substance that releases or absorbs energy when it transitions between ...
Mar 9, 2022
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Energy & Green Tech
The transition towards electric vehicles (EVs) is moving apace, mainly being driven by the need to remove polluting vehicles from our towns and cities and to curb our carbon emissions by switching from fossil fuels to renewable ...
Mar 7, 2022
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