I was a member of the Iowa Department of Natural Resources committee that was writing draft regulations for industrial agricultural digesters. Although called Waste Conversion Technology in ag, these ...

Anaerobic digestion (AD) is a powerful technology for creating biogas and digestate from organic waste. While biogas is of ...

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 ...

Manure digesters, touted as eco-friendly solutions for managing agricultural waste and reducing greenhouse gases, have limited capacity to reduce livestock-related greenhouse gas emissions, and entail ...

The California Legislature is considering changes to the state's Low Carbon Fuel Standard that would cap the credits and cut guarantees for methane digesters. Despite a fierce backlash from industry ...

BURLEY — A North Carolina-based company plans to build six anaerobic digesters to produce biogas at five dairies near Burley. GESS International will invest $240 million, or $40 million for each ...

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 ...

A stalled anaerobic digester project is back on track at a farm in Lancaster County, Pennsylvania, but some residents remain ...

FREMONT, Mich., Oct. 10, 2012 /PRNewswire/ -- "Fremont Community Digester is a great example of how innovative Michigan businesses and West Michigan agriculture are partnering to develop new clean ...

Methane is a powerful greenhouse gas that is over 80 times stronger than carbon dioxide when trapping heat over a 20-year period. It accelerates global warming much faster than CO2. In California, ...