Fortis B.C.’s Scott Gramm explains how an anaerobic digester works to produce methane, which is fed into its natural gas system. The digester, located in Delta, is the first on a family farm. This ...

An anaerobic digester used by the city of Ames' Water Pollution Control Facility. One of two recent feasibility studies by an Iowa State University research team exploring using prairie grass to make ...

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.

Researchers from the University of Valladolid and the Technical University of Madrid in Spain have proposed to hybridize biogas and biomethane production systems from cattle manure anaerobic digestion ...

A new petition seeks to end the Rural Energy for America Program’s support for on-farm digesters, which environmental advocates say do not provide sufficient benefits and take money away from other, ...