Ive heard of electrolyzers and running cars on water but noone has actually been able to tell me if t is worth spending 50 bucks at various internet sites. I would like to build an electrolyzer and try it on a small engine.

(may be broke/outdated!)
Ive heard of electrolyzers and running cars on water but noone has actually been able to tell me if t is worth spending 50 bucks at various internet sites. I would like to build an electrolyzer and try it on a small engine.