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 ...

The farm that Alice and Caleb Crothers inherited in 2015 was, like many dairy farms nationwide, struggling — but now, cow manure is helping to keep it going. Last fall, the Crothers started up a ...

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 ...

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 ...

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 ...