Add Yahoo as a preferred source to see more of our stories on Google. A British company has developed the first tractor in the world to be completely powered by COW DUNG.The liquid methane gas-powered ...

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 ...

Learn how a new method of manufacturing technology could help turn cow manure into one of the most used materials on Earth. It might not sound glamorous, but cow manure could soon be the unlikely hero ...

A new study shows that systems designed to capture methane from cow manure, called dairy digesters, are highly effective. But on the rare occasions they fail, the leaks are large enough to offset ...

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 ...

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 ...

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 to counter the ...