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That all depends on how long the payback is, which isn't clear from that reference. Farmers are businessmen, aren't going to do something if it doesn't make financial sense.


In California, which has pretty extortionate electricity rates, the payback for an anerobic digester is under 5 years, but there is more information here: http://www1.agric.gov.ab.ca/$Department/deptdocs.nsf/all/agd... which includes the US case study here: https://www.epa.gov/agstar




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