FUELS: Oil and Water Alchemy

Eric Cottell, a British-born inventor, does not change base metals into gold, but he does mix oil and water—and these days that may be the most welcome alchemy of all. Cottell claims that in a furnace a blend of three parts oil and one part water burns so much more cleanly and efficiently than ordinary oil that it can cut fuel consumption by at least 20% while producing almost no soot or ash. He also claims that road tests show that a car can run on 18% water and 82% gasoline, with such...

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