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"Polyethylene Made From Ethanol 9 Times More Efficient To Source From Sugar Cane, Over Corn"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/corporate-responsibility/polyethylene-made-from-ethanol-9-times-more-efficient-to-source-from-sugar-cane-over-corn.html>