Add Yahoo as a preferred source to see more of our stories on Google. MADISON - New research conducted by environmental groups argues that manure digesters, seen as a solution to pollution from ...

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 ...

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

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 Danish company’s plans to turn cow manure into renewable energy in Minnesota and Wisconsin’s dairy country have tanked, at least for now. Nature Energy planned to build several large-scale anaerobic ...

The California Department of Food and Agriculture’s Office of Environmental Farming and Innovation is giving interested parties until mid-September to submit proposals for manure management practices ...

The Minnesota Pollution Control Agency is conducting an environmental review of a biogas facility, commonly known as a manure digester, proposed by Danish energy company Nature Energy in Wilson ...

West Lampeter Township is being courted by a company that wants to build a $45 to $50 million bug-based anaerobic manure digester system to pump out "green" electricity for up to 30 farms. In exchange ...

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 ...