New Zealand petrol stations sell green fuel made from beer

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As the search for more sustainable energy solutions continues, we've seen everything from used coffee beans to sewer fat as sources for green energy. Now, DB Export Brewtroleum is a biofuel made partly out of natural beer waste and it is available at Gull pumps across New Zealand. The biofuel is made by distilling the leftover yeast — produced during the brewing of DB — to create 95 percent pure ethanol. The result is a biofuel which produces less greenhouse gas emissions than regular petrol, and enables the brewery to reduce the waste created during the brewing process. DB Export…

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