AUMSVILLE, Ore. — Tim Bielenberg was working with draft horses at his Aumsville, Ore., farm July 25 when he got a call that the dairy digester on his land had exploded. “I came over the hill and saw ...

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.

STOCKTON — Powering an anaerobic digester is like feeding a cow with a million-gallon stomach. Into the tank goes a massive amount of manure, culled potatoes, distillers grain, wet corn gluten and ...

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 ...