Even if cars soon start running entirely on electricity or hydrogen, they'll still need 100 gallons or more of oil to make their
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, such as seats, dashboards, bumpers, and engine components. And some day that plastic may be recycled back into fuel.On the flip side, though, it is relatively heavy. For this reason, car
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have been trimming down on its use.Another option is to recover the energy from discarded
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. The company Plas2fuel, based in Washington state, can make a gallon of oil from melting down 8 pounds of plastic. In March, this process was used by Oregon-based Agri-Plas to turn plastic waste into 8,200 gallons of oil.Others prefer placing saturated paper towels into the package with the
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and allowing the water to migrate out of the paper and into the nylon. Some go as far as boiling the parts. This experience contradicts a lot of the data published by
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showing the conditioned moisture content at 2.5%.