The single‑screw compression technology delivers a lower total cost of ownership for dairy, wastewater and food waste ...

A high school in Murehwa is exploring an innovative way to turn waste into wealth by commercialising liquid organic fertiliser derived from its biogas system. St Paul’s Musami Mission High School is ...

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 ...

Something has shifted in the workshop. After years of DIY being sold as a weekend hobby for the mildly bored, home improvement has quietly become a serious cultural force. The global DIY market is ...

A new study concluding Central Valley dairy digesters perform unevenly at times has renewed a debate over whether the installations deserve the large state subsidies they require. A University 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 ...

A Salem renewable energy company hopes to build New England’s largest biogas anaerobic digester in Londonderry near the Stonyfield factory, which will help reduce organic waste ending up in landfills ...

TURKEY, N.C.—The Align RNG biogas processing facility here is so small, you would miss it if you weren’t looking for it. Just four small silver mounds beside a massive 100-foot grain silo under which ...

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 ...

The State of California is using its fuel and transportation plan to encourage factory farm expansion and pollution. We are standing up to them in court. The State of California is using its fuel and ...