A new study from the University of California, Riverside offers a nuanced assessment of dairy manure digesters, finding the systems significantly reduce methane emissions overall but can lose much of ...

A new study shows that systems designed to capture methane from cow manure, called dairy digesters, are highly effective. But on the rare occasions they fail, the leaks are large enough to offset ...

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 ...

Five years after the US Department of Agriculture (USDA) guaranteed more than $100 million to what’s billed as the “world’s largest manure biogas project”, the loans are in delinquency, which, along ...

Data released by scientists show that manure digestors, which extract methane from farm waste to be converted into energy, mostly work well. But researchers say they're susceptible to rupture, and ...

When fuel ran out during the second world war, some farmers in Germany and France made their own fuel by covering cisterns of manure and capturing the methane that was generated. Now, governments are ...