Following please find several links to help learn about anaerobic digestion.
The Midwest Rural Energy Council’s website provides a comprehensive source of information on anaerobic digesters.
The US Environmental Protection Agency’s AgStar Program provides outreach to farmers considering — or presently operating– an anaerobic digester system.
The National Center for Appropriate Technology provides some original materials and a roundup of other sites at Anaerobic Digesters and Other Biomass Options.
The Minnesota Project provides case study information on digesters.