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 ...

Explore the challenges facing the manure biogas project, including loan delinquencies and environmental concerns.

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Nine electricity-producing methane digesters are under development throughout the state despite initial financing hurdles. Digesters, located on dairy farms, convert manure into electricity by ...

CHICAGO -- A unique climate change fighting machine is being used to divert thousands of pounds of food waste from landfills, as well as feed people and heat city homes in a clean and sustainable way.