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"The debate over the true ecological sustainability of biofuels, the effects on global food prices, and their oft-heard claims of carbon-neutrality has been played out on TreeHugger in great detail. Adding a new"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/renewable-energy/biofuels-cannot-be-called-sustainable-in-uk-advert-board-upholds-george-monbiotatms-complaint.html>