It's an ordinary diesel engine but runs on 90% hydrogen "We have so many ... produced by using electricity from renewable power to split water into hydrogen and oxygen molecules using an ...

The water vapor helps increase boost pressure while cooling ... adapting internal combustion engines to run on hydrogen is almost certain to continue to play a pivotal role in the future of the ...

For example, [Tom Stanton] took a previous air engine design, did away with the air compressor, and instead used gravity and water to create just a few PSI to run the engine. The basic setup is to ...