Biogas is rapidly gaining traction as an affordable and sustainable energy source across Kenya. In an interview with TUKO.co.ke, Kenyan constructor Kevin Moses, who specialises in biogas systems, ...

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 ...

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 ...