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Gravity Batteries, Green Hydrogen, and a Thorium Reactor for China

Cars That Think

2021 was a big year for energy-related news, what with the ongoing hunt for new forms of energy storage and cleaner if not carbon-free electricity and events and research that spotlighted the weak links in our power grid. IEEE Spectrum did its best to cover those developments, and these were the stories that our readers liked best.

Hydrogen 105
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Solartaxi visits AeroVironment

Revenge of the Electric Car

The other 50% of the electricity required for the journey is obtained by plugging into the electrical grid en route. In Switzerland, the Solartaxi team has created a stationary solar array to feed green power into the (global) electrical grid. Tags: Production News EV Events Inside Track.