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Salt batteries are about to shake up EVs and grid storage

Today, most rechargeable batteries are made from lithium ions, but sodium-ion alternatives could make battery tech much cheaper and offer other advantages

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MONROVIA, CALIFORNIA - MARCH 30: In an aerial view, an electric vehicle charges at an EVgo electric charger on March 30, 2026, in Monrovia, California. As gas prices surge amid the war in Iran, online automotive resource Edmunds reported a 22% increase in searches for electric vehicles during the week of March 2, as motorists look for ways to avoid high fuel costs. (Photo by Justin Sullivan/Getty Images)

Environment

Why your opinion of used electric vehicles is probably wrong

Leader

EV car

Environment

Electric vehicle owners could earn thousands by supporting power grid

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Environment

Will war in the Middle East accelerate the clean energy transition?

Analysis

Environment

Old EV batteries could meet most of China's energy storage needs

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The electrification of everything: Best ideas of the century

Technology

The electrification of everything: Best ideas of the century

Features

Environment

Can we finally recycle all of the metal in scrap cars?

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Humans

Tiny rewards can protect the grid from a surge in electric vehicles

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Technology

Will we soon be able to charge electric cars in minutes?

Analysis

Technology

Largest all-electric flying machine begins sea trials

A 12-passenger “seaglider” that is part boat and part aircraft harnesses cold war-era technology to fly just above the waves using only electric power

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Technology

Electric cars now last as long as petrol and diesel counterparts

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Technology

From Tesla to Trump, Elon Musk had a very busy 2024

Analysis

Video

Electric vehicles race combustion cars in 'battle of technologies'

Video

Environment

AI helps find simple charging trick to boost battery lifespan

News