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

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 ...

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

Hundreds of millions of dollars intended to cut energy costs have been funneled to costly manure digesters, benefitting industrial-scale livestock operations.

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 ...

ST. PAUL -- The House and Senate have provided $660,000 to provide loans to finance manure digester systems. Manure digesters take farm animal waste, trap the methane gas from the manure and convert ...

Use of biogas from manure for power production offers various benefits related to reduced atmospheric methane and carbon dioxide emissions, reduced local odor problems, and diminished potential for ...

Thirty-four groups that focus on the environment and small farms are asking the U.S. Department of Agriculture to stop ...

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 ...

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 ...