http://articles.mercola.com/sites/articles/archive/2009/07/28/Your-Car-and-Home-Could-Soon-Be-Powered-By-Your-Urine.aspx
Urine-powered cars, homes and personal electronic devices could be available in six months.
Using a nickel-based electrode, scientists can create large amounts of cheap hydrogen from urine that could be burned or used in fuel cells. One cow can provide enough energy to supply hot water for 19 houses.
One molecule of urea, a major component of urine, contains four atoms of hydrogen bonded to two atoms of nitrogen. If you place a special nickel electrode into a pool of urine and apply an electrical current, hydrogen gas is released.
A urine-powered vehicle could theoretically travel 90 miles per gallon.Sources:
MSNBC July 8, 2009
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