Convert a gasoline engine into a water engine (hydrogen gas HHO engine made from water supply). The electrodes that produce hydrogen gas are made of cellulose nanofibers, which will not rust or deteriorate and will last for a long time.

 

https://www.youtube.com/watch?v=JuxQLEDccsU

https://www.facebook.com/masahiro.ishizuka.54/videos/691435405980306

https://www.linkedin.com/embed/feed/update/urn:li:ugcPost:7016239543582429184

https://video.fc2.com/content/20230104p2JGVnVz