Bob is working with h2O and has partly succsess.
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Started the engine on hydrogen, but was unable to sustain it. I am doubling the HHO out put and I'm fabricating a container (water tank) that can be used in Summer and Winter.
The engine runs for approx. 5 seconds and then shuts down. With the increased fuel supply and better carberation hook up, it should make a big differance. I will update the web site Sunday as to the progress.
See his website www.newsourceofenergy.com/Information.html (http://www.newsourceofenergy.com/Information.html)
helmut