Since 2003, Discover has been reporting on a biofuel company that turned turkey guts, garbage and old tires into oil, which it sold to refineries for vehicle fuel or to electrical utilities to help power generators ("Anything Into Oil," May 2003). Changing World Technologies' method of thermal depolymerization used intense heat and pressure to break waste materials into desirable, short-chain hydrocarbons (much like the Earth's super-slow, fossil fuel-producing process).
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