Regulators need to take a closer look at the impacts of biofuel production on land use and the carbon intensity of anaerobic digesters as they develop lifecycle assessments for transportation fuels, a ...

Wood, coal, or natural gas are the usual culprits in terms of cooking fuel, but some clever chemistry makes poop into a ...

Assemblymember Steve Bennett of Ventura continues to target dairy digesters in a bill that failed to pass out of the Assembly last year. Assembly Bill 1550 would bar the use of biomethane derived from ...

The US Department of Agriculture (USDA) is pausing a loan program aimed at promoting anaerobic digesters — many of which are issued for large-scale farms that turn animal waste into gas — to ...

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 ...

Last week, the North Carolina Department of Environmental Quality officially approved the installation of biogas digesters at four Smithfield-owned hog waste lagoons in the Sampson and Duplin counties ...

Researchers have demonstrated that different types of paper industry sludge, typically treated as a low-value waste, can be ...

A company’s plan to expand its biogas pipeline to 60 miles in Stanislaus and Merced counties passed a county environmental review and will connect 21 additional dairies. In late November, the ...

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 ...