This gallery contains 1 photo.
Clean water agencies seek more sustainable energy management and options for management of residuals produced in the process of cleaning dirty water. The American Biogas Council (ABC) reports that “[t]he U.S. has over 2,000 sites producing biogas: 239 anaerobic digesters on farms, 1,241 wastewater treatment plants using an anaerobic digester . . . and 636 […]