Assemblymember Steve Bennett of Ventura continues to target dairy digesters in a bill that failed to pass out of the Assembly last year. Assembly Bill 1550 would bar the use of biomethane derived from ...

Regulators need to take a closer look at the impacts of biofuel production on land use and the carbon intensity of anaerobic digesters as they develop lifecycle assessments for transportation fuels, a ...

FILE - Robbie Macias, Aemetis vice president of biogas, gestures while demonstrating the strength of a dairy digester with Wickstrom Jersey Farms manager Brent Wickstrom on Thursday, May 9, 2024, in ...

PIXLEY, Calif. (AP) — The stench of cow feces, urine and ammonia forces residents to keep windows and doors closed in parts of California's farming country. Some people constantly run air purifiers at ...

GILA BEND, Ariz.--(BUSINESS WIRE)--OPAL Fuels LLC, a vertically integrated producer and distributor of renewable natural gas (RNG), today celebrated the ribbon cutting ceremony of its new Sunoma ...

A company’s plan to expand its biogas pipeline to 60 miles in Stanislaus and Merced counties passed a county environmental review and will connect 21 additional dairies. In late November, the ...

CUPERTINO, Calif., May 01, 2025 (GLOBE NEWSWIRE) -- Aemetis, Inc. (NASDAQ: AMTX), a diversified global renewable natural gas and biofuels company, announced today that the Aemetis Biogas subsidiary of ...

For many, Thanksgiving is synonymous with cooking food, but the holiday can put many home chefs in a pickle: What to do with large amounts of spent cooking oil. The oil can't go outside or down the ...