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 ...

Manure is an organic fertilizer made from the dung of domestic livestock including horses, cows, and poultry. It may also contain urine and bedding material like straw or sawdust. Manure is an ...

Government subsidies helped dairy farmers generate electricity from cow manure, but the novelty is wearing off as utilities pay next to nothing to put it on the grid. This story is the first of three ...

Cow manure is transformed into a cleaner fuel that allows farmers to reduce their expenses - Copyright AFP Philippe LOPEZ Cow manure is transformed into a cleaner ...