HPU 210 uses a Kawasaki motorcycle engine combined with an electric motor and batteries VoltAero’s new HPU 210 hybrid-electric powertrain could be used by people building their own light aircraft. The ...

"Simplify and add lightness." Someone really smart and special to motoring enthusiasts once said something to that tune, we're sure you know who. But because airplanes tend to be, well, massive, it's ...