New Engine Takes Power From The Air Inventor "Carl Hefley" states "Our new patented engine uses all types of fuel including gasoline, diesel, bio-diesel, corn oil, natural gas, propane, ethanol E-85 and even hydrogen enriched-combinations. Hydrogen is considered the "greenest" of fuels leaving only water in the exhaust, ... Similar Editorial : by Heidi Richards. | Source : Fuel Enhancer
