http://en.wikipedia.org/wiki/Air-start_system http://en.wikipedia.org/wiki/Air-start_system Basically pump a huge amount of compressed air into the cylinders a

http://en.wikipedia.org/wiki/Air-start_system http://en.wikipedia.org/wiki/Air-start_system Basically pump a huge amount of compressed air into the cylinders at the top of their stroke, and then start combustion once the engine is moving.