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A farm lives high and clean off the hog

LA Times: Loyd Bryant used to pump manure from his 8,640 hogs into a fetid lagoon, where it raised an unholy stink and released methane and ammonia into the air. The tons of manure excreted daily couldn't be used as fertilizer because of high nitrogen content. The solution to Bryant's hog waste problem was right under his nose -- in the manure itself. A new waste-processing system -- essentially a small power plant -- installed on his 154-acre farm uses bacteria to digest the waste and burns methane...