Adding biochar to farmland soils is widely promoted as a climate-friendly practice, but its impact on greenhouse gas emissions can vary. A new study finds that pairing biochar with biogas slurry, a ...

If natural gas was most often found naturally venting from the earth without capture, one might think there was something deeply wrong with an economy that failed to harness it. With a few ...

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 ...

A Kerman business is reusing cow manure to create electricity and hydrogen. California calls the venture “groundbreaking,” ...