Groups that focus on the environment and small farms are praising a decision by the U.S. Department of Agriculture to pause and review funding for systems that produce natural gas from manure at ...

Biogas made from dairy and pig manure has long been an energy source non grata for environmental groups across the country.

FARGO, N.D. -- Dairy and other livestock operators have sometimes studied and rejected the idea of methane electricity production from manure byproduct on their farms. Too expensive, they say. So ...

MADISON - New research conducted by environmental groups argues that manure digesters, seen as a solution to pollution from large-scale livestock farms, do more harm than good because of other ways ...

A new petition seeks to end the Rural Energy for America Program’s support for on-farm digesters, which environmental ...

Let down by electric utilities, farmers bet on natural gas as a more promising way to make a return from cow manure. This story is the second in a three-part series. Read the first and third ...

Novilla RNG constructs manure digesters that have the appearance of grain bins to capture methane. This one is south of Sioux Center in Northwest Iowa. (Courtesy of Novilla RNG) Buy Photo The Gazette ...

PIXLEY, Calif. (AP) — The stench of cow feces, urine and ammonia forces residents to keep windows and doors closed in parts of California's farming country. Some people constantly run air purifiers at ...