Energy & Green Tech

U.S. renewable electricity surpassed coal in 2022

Electricity generated from renewables surpassed coal in the United States for the first time in 2022, the U.S. Energy Information Administration announced Monday.

Engineering

New system recovers fresh water from power plants

A new system devised by MIT engineers could provide a low-cost source of drinking water for parched cities around the world while also cutting power plant operating costs.

Electronics & Semiconductors

Ink coating could enable devices powered by heat

Researchers in Sweden report that they are closing in on a way to replace batteries for wearables and low-power applications in the internet of things (IoT). The answer lies in an ink coating that enables low-grade heat, ...

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