Biogas made from dairy and pig manure has long been an energy source non grata for environmental groups across the country.
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USDA pauses funding for manure digesters in ID, across US
Groups that focus on the environment and small farms are praising a decision by the U.S. Department of Agriculture to pause ...
Add Yahoo as a preferred source to see more of our stories on Google. CASA GRANDE — Thousands of gallons of liquid manure sit in the open on 25-foot deep settling ponds at Casa Grande Dairy Co. Farm ...
Public News Service on MSN
Coalition presses USDA to limit funds for manure digesters
Thirty-four groups that focus on the environment and small farms are asking the U.S. Department of Agriculture to stop ...
Researchers from the University of Valladolid and the Technical University of Madrid in Spain have proposed to hybridize biogas and biomethane production systems from cattle manure anaerobic digestion ...
In April, Avatar Systems installed an anaerobic digester system at the 170cow Keewaydin Dairy Farm in Stowe. Avatar's mixed-plug flow system is composed of horizontal fiberglass hulls, 20and 40-ft.
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