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. Hydrogen has a property called hydrogen embrittlement, which means that hydrogen permeates through metals at high temperatures and causes the metals to fall apart.

 

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

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