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 ...

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 ...

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 ...

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 ...

Anaerobic digesters that can turn manure gas into biomethane for the transportation sector and other industrial uses are a key part of the dairy industry’s strategy to get to net-zero carbon emissions ...

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 ...

A manure digester in Waunakee has reported its second spill in two months, according to a release. Clear Horizons Dane, LLC., operates the Dane Community Digester facility in Waunakee and reported to ...

Workers at a manure digester in northwest Iowa did not act on signs of a potential leak before thousands of gallons of wastewater poured into nearby waterways, according to documents from the state’s ...