At CES 2025, electric motor manufacturer Donut Lab rolled out its second-generation in-wheel drive units. The new motors promise big power and torque with very little in the way of weight and, like ...

This would become a recurring problem for the next 100 years. When nickel-cadmium batteries were invented, the first flight with an electric motor took off, but it only lasted less than 15 minutes.

"Electrification is based on three main pillars: batteries, electric motor and the powertronics ... as small as possible - but then you get into problems of cooling," says Ian Foley, managing ...