SoCalGas and Calgren Announce Completion of Dairy Renewable Natural Gas Facility, Expected to be Largest in U.S.
(Southern California Gas Company/CISION) Calgren's dairy biogas operation--first of its kind in California-captures methane from animal waste to reduce greenhouse gas emissions and provide pipeline quality renewable natural gas -- Southern California Gas Co. (SoCalGas) today joined Calgren Dairy Fuels, and state and local