Add Yahoo as a preferred source to see more of our stories on Google. A growing number of California dairy farms are reducing their climate impact with methane digesters that capture the heat-trapping ...

PIXLEY, Calif. — 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 home ...

Explore the challenges facing the manure biogas project, including loan delinquencies and environmental concerns.

Dairy farmers have narrowly escaped a move to limit the crediting period for anaerobic digesters within California’s Low Carbon Fuel Standard. Yet the California Air Resources Board has agreed on a ...