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Energy storage can make facilities like this solar farm in Oxford, Maine, more profitable by letting them store power for cloudy days. AP Photo/Robert F. Bukaty

These 3 energy storage technologies can help solve the challenge of moving to 100% renewable electricity

The US is generating more electricity than ever from wind and solar power – but often it’s not needed at the time it’s produced. Advanced energy storage technologies make that power available 24/7.
Wind turbines and fighter jets both rely on imported critical minerals. U.S. Air Force; Dennis Schroeder/NREL

The US is worried about its critical minerals supply chains – essential for electric vehicles, wind power and the nation’s defense

Right now, the nation is almost entirely dependent on other countries for minerals that are used in everything from wind turbines to strike fighters and satellites.
A “creuseur,” or digger, descends into a tunnel at the mine in Kawama, Democratic Republic of Congo. Michael Robinson Chavez/The Washington Post via Getty Images

As cobalt demand booms, companies must do more to protect Congolese miners

Companies can’t verify that their source didn’t involve artisanal mining. A discussion over responsible sourcing strategies and practices is needed.
Replacing carbon-emitting gas-powered cars with EVs requires whittling away EVs’ price premium, and that comes down to one thing: battery cost. Westend61 via Getty Images

The road to electric vehicles with lower sticker prices than gas cars – battery costs explained

EVs will have lower sticker prices than gas vehicles when batteries are cheaper. Getting there comes down to knowing where to cut costs.

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