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Beer's Fuel Too? - USA - Coors ramping up production of ethanol from beer waste
GOLDEN, Colo.,USA -The Denver Post, by By Robert Sanchez -Oct 24, 2005: -- One answer to lessening the country's dependence on foreign fuel imports might be hiding in the six-pack you carry home from the liquor store... At the Coors brewery here, the brewer and Merrick & Co. of Aurora, Colo., are using beer waste to process 1.5 million gallons a year of the gas substitute ethanol... The 9-year-old plant that distills the residuals from beer making has been such a success, officials from the brewer and the engineering company said, that a second, $2.3 million plant will open later this month on the same site... But ethanol is hardly free from criticism... Opponents say ethanol can be costly, also argue that the fuel substitute reduces gas mileage and wouldn't be economically feasible without federal tax credits for producers... David Pimentel, an ecology and agriculture sciences professor at Cornell University in New York, released a report on ethanol production this year that calculated everything from the amount of fertilizer needed to grow corn to the fuel needed to haul ethanol to refineries... The report showed that ethanol production expended more energy than it created...
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