Bombardier's CEO and chief engineer said that supersonic flight is too expensive for a niche market, citing the challenges faced by Concorde.

British driver Andy Green reached 406.320 mph in car powered by two hydrogen internal combustion engines ...

A British driver who became the first person to break the sound barrier on land has set a new speed record, this time in a hydrogen-powered vehicle. At the Bonneville Salt Flats in Utah, 64-year-old ...