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Message: <blockquote data-quote="tuggyman" data-source="post: 172356" data-attributes="member: 204178">I like the idea of Hydrogen rotary engines ,then give better efficeny and clean waste (water).The problem lies in havesting pure hydrogen currently using electrolysis or reforming fossile fule (latter can be ruled out).Another way for havesting, i have been reading about is to super heat water(850 degrees Celsius) by means for solar mirrors.This to me is fantastic, a free renewable, clean source of power.I like the idea of cheap energy ,but i dought governments will with tax losses or the oil companys.(do you think this is why so little money spent  and research is done!!!!!)</blockquote>