A smoldering pile of chicken manure west of Clayton is causing complaints not only about odors but about people having difficulty breathing. The Clayton Fire Company posted news about the manure ...

BEAVERTON, Ore., Jan. 22, 2025 /PRNewswire/ -- Germany's largest biogas producer, EnviTec Biogas AG, has been leveraging chicken manure for the production of biogas, renewable natural gas (RNG ...