A new study shows that systems designed to capture methane from cow manure, called dairy digesters, are highly effective. But ...

Digesters are slashing dairy methane emissions but new research finds even occasional leaks can erase much of the climate ...

Novilla RNG constructs manure digesters that have the appearance of grain bins to capture methane. This one is south of Sioux Center in western Iowa. (Courtesy of Novilla RNG) Buy Photo The Gazette ...

Dairy methane digesters cut emissions on farms, but rare leaks can release powerful bursts that may offset their climate ...

A new study concluding Central Valley dairy digesters perform unevenly at times has renewed a debate over whether the ...

Biogas made from dairy and pig manure has long been an energy source non grata for environmental groups across the country. The fuel is touted by agribusiness, utilities and renewable natural gas ...

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 ...

MADISON - New research conducted by environmental groups argues that manure digesters, seen as a solution to pollution from large-scale livestock farms, do more harm than good because of other ways ...

Hundreds of millions of dollars intended to cut energy costs have been funneled to costly manure digesters, benefitting industrial-scale livestock operations. Hundreds of millions of dollars intended ...

The California Department of Food and Agriculture’s Office of Environmental Farming and Innovation is giving interested parties until mid-September to submit proposals for manure management practices ...

State regulators have fined a Northwest Iowa dairy $10,000 for constructing a set of manure transport pipes months before seeking a permit for the work. It is the second fine associated with ...