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 Donut Lab thinks this design is outdated, and a hollowed-out rotor can offer important advantages.

A significant step forward has been achieved in the development of electric vehicles: technology company Donut Lab presents a new generation electric motor family that offers unprecedented performance ...

Before the electric GMC Hummer could do its famous CrabWalk driving diagonally on roads, the Hummer was doing it inside a rather modest lab, tucked away in the corner of the 30,000 square-foot ...