Hydrogen engine to decarbonize long-haul commercial vehicles

Invented over a century ago, the opposed-piston engine was primarily used during World War II to power submarines and aircraft carriers due to its...

A rotating detonation engine promises to make rockets more fuel-efficient

Simple, fuel-efficient rocket engine could enable cheaper, lighter spacecraft.

Low-cost jet engines that reach space without burning fossil fuels

A traditional jet engine in planes converts energy-rich, liquid fuel into a powerful thrust that pushes a plane forward. They create thrust by mixing compressed air...

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