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Beef
Cow manure powering U.S. farms
September 11, 2009 by National Geographic News
September 9, 2009 – From
wind to sun to cow pies, farm-based natural resources are supplying an
increasing number of U.S. farmers with homegrown sources of renewable energy.
September 9, 2009 – From
wind to sun to cow pies, farm-based natural resources are supplying an
increasing number of U.S. farmers with homegrown sources of renewable energy.
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Farm-based energy can save
money and even become a new source of income by powering nearby homes, for
instance.
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