Loyd Ray Farms in North Carolina have joined with a number of state pig farms to use manure in a digester to provide electricity. Duke University along with partners Duke energy and Google are testing systems that capture methane, a greenhouse gas from manure. The pig farms acting under state law to reduce emissions are becoming innovators, the methane gas fuels a small power plant that makes enough energy to run the waste-processing system and part of the farm itself. Also by utilising the manure in this way it allows the farms to reduce waste pits that can taint water and release harmful ammonia into the air. Read more ...
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