SACRAMENTO, Calif. (AP) — Several environmental groups are suing California air regulators over their recent update of a ...

While these digesters somewhat address the problem of emissions from animal manure specifically, they don’t address the ...

Transforming dairy farms with biodigesters: sustainable, profitable, and efficient solutions for renewable energy and organic ...

State health officials have begun monitoring a facility that converts cow manure into natural gas after elevated levels of an ...

A big six-cylinder engine running at 500rpm turns methane given off by decomposing cow manure into electricity. The process is called anaerobic digestion. In the absence of oxygen, microbes break ...

Environmental justice and conservation groups sued the Air Resources Board this week over concerns its recent changes to one of the state’s primary climate programs incentivize what they see as dirty ...

While they’re gone, a vacuum truck makes its way through each pen, sucking up manure along with the cow’s spoiled, sandy bedding. Without a digester operating on the farm currently ...

The family-run American farm invested in a biogas recovery system which transforms cow ... day on digester maintenance and management. Controlling the smell from the 70,000 gallons of manure ...