Electric motors usually comprise a stator and a rotor, with the latter rotating inside the former. Donut Lab thinks this design is outdated, and a hollowed-out rotor can offer important advantages.

AMES, Iowa – Within a few years, the U.S. Department of Energy wants plug-in electric vehicles to be just as affordable and convenient as the internal-combustion machines most of us drive today. But ...

Secret lab revealed: Ford disclosed a 250,000-square-foot Long Beach facility where hundreds of engineers developed its ...

Donut Lab has published results from its fourth battery test with Verge Motorcycles, demonstrating ultra-fast charging performance in an electric motorcycle battery pack. The experiment evaluates the ...