Yamaha and a lot of Japanese manufacturers are actively working on hydrogen combustion engines. How much power can Yamaha's hydrogen V8 actually make?

The hydrogen will be used to help fuel the prototype tractor and three pickup trucks that can run on hydrogen, regular gas and E85 ethanol-blended fuel.

Yamaha and other Japanese manufacturers are actively working on hydrogen combustion engines. The company's prototype hydrogen V8 puts out some impressive power.