Mar. 9—ELLISBURG — A Rochester area company plans to build a $20 million anaerobic digester facility that will turn manure from a local dairy farm into renewable natural gas. Steven Wilkinson, ...

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 ...

A giant, balloon-like tarp stretches over a lagoon of manure on a Central Valley dairy farm, concealing a quiet but remarkable transformation. Methane, a potent climate-warming gas, is being captured ...

At the end of February, the town board of Lind, Wisconsin voted against changing the zoning laws to allow a nearby 600-cow dairy to install an anaerobic digester. These digesters are becoming more ...

Methane digesters are being promoted to reduce animal waste and create energy on farms, including CAFOS (Concentrated Animal Feeding Operations). Sounds like a great idea, right? However, the real ...