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Energy

Batteries, solar, storage, charging and the grid that ties it all together.

Crowds and cars at the Paris Motor Show entrance hall

EVs

Chinese carmakers double Paris Motor Show presence as Europe counters with cheaper retro models

Twice as many Chinese brands as in 2024 are at the Paris show, while European makers reply with a revived Citroën 2CV and other cheaper, retro-styled cars.

Read the storyListen · 2 min
AuroraCell's 9.7 kWh sodium-ion chromium oxide residential battery
Energy

AuroraCell's sodium-ion home battery skips lithium, but not the fine print

· 5 min read

Rows of battery storage units at the Sunlight Storage II energy storage facility in the Riverside County, California desert
Energy

EVs were supposed to break the grid. They use about 1% of its power

· 6 min read

A Nissan Leaf lithium-ion battery pack, out of the car, on display at an electric vehicle event in Washington, DC
Energy

EV batteries were supposed to die in five years. Data says otherwise

· 7 min read