On January 15, 2025, Department of Energy (DOE) released updated versions of the 45VH2-GREET lifecycle greenhouse gas (GHG) emissions model and accompanying instructional manual. The updates are ...

Our editors' top picks to read today. Converting Florida’s beleaguered wastewater infrastructure into methane-capturing, nutrient-reducing, water-recycling advanced wastewater treatment machines makes ...

In its raw form, biogas typically contains 50% to 70% methane, with carbon dioxide and other impurities making up the rest.

New data released by the  American Biogas Council  shows 2025 was another strong year for the US biogas industry. In the 12 months ending December 2025, 70 new biogas projects came ...

Few people get as excited about wastewater as Thomas Fudge. He has good reason: He and his colleagues believe they have figured out how to turn sludge into gold. Wastewater from places like breweries ...

At a sprawling sewage treatment plant in north San Jose, engineers are slowly perfecting the ideal temperature for a smelly mixture of bacteria and human waste as the stew churns inside four massive ...

Northern Biogas will now have until Jan. 1, 2028, to complete the $10 million payment to the Androscoggin Valley Regional Refuse Disposal District to build and operate a ...

A report finds that the biogas industry faced a slow year in 2025 amid regulatory uncertainty and the need for new market ...

When Maria Payan’s son was screened for cancer, she knew he had to leave home. The Payan family lived in Delta, Pennsylvania, a rural community of fewer than 1,000 people near the southern edge of the ...

Every day, Princeton students eat food in dining halls, dutifully scrape their leftovers into metal chutes labeled “Food Waste & Napkins,” and move on with their days. What journey does this food ...