New fuel source: Microwaved tires

A researcher in Pennsylvania claims he's found a new source of oil, and it's right under our cars. By microwaving it inside a vacuum, Frank Pringle says he's able to break an old car tire down into ready-to-use diesel fuel. A 14-inch tire yields 1.2 gallons of diesel, 7.5 pounds of carbon black, 50 cubic feet of… » 12/03/07 3:01pm 12/03/07 3:01pm