PRINCETON, Minn. -- Dennis and Marsha Haubenschild were always confident their manure digester would produce electricity and reduce odors, but their system has greatly exceeded expectations. The ...

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 ...

A new study shows that systems designed to capture methane from cow manure, called dairy digesters, are highly effective. But on the rare occasions they fail, the leaks are large enough to offset ...

Researchers said manure digesters – systems capturing methane from manure – can cut pollution but they come with risks. New data indicated the systems can rupture and when they do, the damage can ...

Across the U.S., renewable natural gas (RNG) projects are gaining momentum. Research carried out by the American Biogas ...

PLYMOUTH, Ind. — Homestead Dairy Farm is family-owned and operated. Jill and Brian Houin recycle cow manure to help power their hometown with green energy. They’re able to do that with the help of an ...

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 ...

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 ...

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 ...