Date: 2011-07-16 09:25:12
URL: http://bit.ly/qGVdA3
WHDH-TV Magic Hat turns beer waste into energy WHDH-TV Purpose Energy is teaming up with the South Burlington brewery to do just that. Its built a 492000-gallon digester to convert the grain waste, water and yeast product into usable biogas . We just started feeding it about a week ago and as you can see, ...
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