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Methane gas from dairy cattle manure is being converted to electricity at the Straus dairy near Marshall, Calif. The Straus Family Creamery’s new $280,000 methane digester, unveiled Thursday, converts manure from its herd of 270 cows into electricity that helps power the farm and creamery. Methane gas from dairy cattle manure is being converted to electricity at the Straus dairy near Marshall, Calif. The Straus Family Creamery’s new $280,000 methane digester, unveiled Thursday, converts manure from its herd of 270 cows into electricity that helps power the farm and creamery.

Associated Press photosAssociated Press photos / The Spokesman-Review