It’s likely that you’ve already seen the photos of Brazilian energy group RAR Energia’s generator “powered exclusively by gravity” (translated). If you’re rolling your eyes and ...

Scientists from Stellenbosch University in South Africa have designed a new gravity energy storage system, based on linear electric machines ... a primary mover and a power converter.

should you find a fellow electric motorist stranded. Lucid estimates that the 123 kWh battery pack with new Panasonic cells will power the Gravity for up to 450 miles per charge on the EPA test cycle.