The Crave Brothers Dairy in Waterloo, Wisconsin is famous for its fresh mozzarella, squeaky cheese curds and creamy chocolate mascarpone. But that’s not all they produce here. The dairy’s more than 2,000 milking cows also help generate enough electricity to power the entire farm, cheese factory and 300 local homes. The miracle of cow poop power derives from two massive anaerobic manure digesters that capture the methane released as the manure is processed into liquid fertilizer and bedding material for the cows. “It’s not always sunny or windy here, but we definitely always have manure,” says Karl Crave, part of the third generation of Crave family farmers. More >>
