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 Donut Lab thinks this design is outdated, and a hollowed-out rotor can offer important advantages.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 ...

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 ...

SAINT JOHN — A city utility in New Brunswick has become the first in Canada to share active electricity grid data with ...