Thursday 5 January 2012

'Poop to power' program turns pig manure into #sustainable #energy

The nearly 9,000 hogs at Loyd Ray Farms in Yadkin County, N.C., produce 400,000 gallons of manure every week. Since the waste had too high a nitrogen content to be used as fertilizer, owner Loyd Bryant used to pump that waste into a local lagoon, where it released methane, ammonia and "an unholy stink" according to the Los Angeles Times.

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