But arguably, the true game-changers are in the engines that power these spacecraft — the Blue Engine-4 (BE-4) and Raptor. Compared to more "conventional" rocket engines, BE-4 and Raptor are ...

The BE-4 engine is the “most powerful liquefied natural gas fueled rocket engine ever developed,” according to Blue Origin. Watch it gimble at full power in these hotfire test views. Credit: Space.com ...

BMW and Toyota are getting together to develop a hydrogen fuel cell engine and although the vehicle is only coming out in three years’ time in 2028, it’s got the motoring world hopping. The powertrain ...

The Blue Flame Six is Corvette’s first engine, based on the architecture of an inline-six-cylinder Chevrolet truck engine known as the Stovebolt Six. Chevrolet engineers took that truck engine ...