After walking for a few kilometres from Elburgon, we arrive at Mr Obedi Kimani’s home in Turi. When he retired from teaching in 1992, Kimani, 92, continued with farming.“I have been attending ...

A Danish company’s plans to turn cow manure into renewable energy in Minnesota and Wisconsin’s dairy country have tanked, at least for now. Nature Energy planned to build several large-scale anaerobic ...

Rehau Home Gas is a low maintenance unit made up of a cylindrical, mini-biogas unit running on cow dung and water It is the desire of every household to access cheap and clean energy. That is a ...

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 ...

Start-up signs on six California dairies to aid it in its efforts to bring natural gas to California homes. Michael Kanellos is editor at large at CNET News.com, where he covers hardware, research and ...