Biofuels from food crops are increasingly seen raising food prices and encouraging deforestation, so the world's third-largest chemical chompany, Britain's INEOS, is looking to garbage for ethanol instead.A patented technique heats waste to produce gases which are fed to bacteria, which in turn produce ethanol. Municipal solid waste, organic commercial waste and agricultural residues are all feedstock.
"The fact that we have been able to decouple second generation biofuel from food is a major breakthrough," said Peter Williams, CEO of INEOS Bio. Commercial bioethanol for cars is expected within about two years.
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