Turning manure into a source of electricity is a reality today. The manure from Lee Jensen’s cows can power about 600 homes in Wisconsin.
A machine mines the methane, or natural gas, from rotting manure and feeds it into a pipeline that connects to local power grids. Additionally, many byproducts benefit the farm. . . .
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The gas runs a generator to power Jensen’s farm, he receives pathogen-free bedding for his cows, the process reduces the volume of manure lagoons — "making them less likely to leach into local water supplies," and he gets a free seed-free fertilizer in the mix . . .
"And there’s another benefit. "The odor reduction is probably the biggest thing that everybody likes," Jensen said in a phone interview."
(Read more about this source of power in the article by Reuters via ClimateArk )