Pune engineer Priyadarshan Sahasrabuddhe's 'Vaayu' converts kitchen waste into methane gas, offering a sustainable ...

Maas Energy Works dairy digester at Legacy Ranch in Pixley, Calif. First of a two-part series on renewable natural gas in the agricultural sector. Renewable natural gas, or methane from non-fossil ...

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 ...

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 ...

Waste management is no longer simply a disposal function. By prioritizing methane management through both downstream controls and upstream diversion, U.S.