Wisconsin dairy begins production of renewable natural gas

A Wisconsin dairy farm is now producing renewable natural gas with the help of three American Biogas Council members. This spring, U.S. Gain and CMD CNG Energy Solutions – both of which are headquartered in Appleton, Wisconsin – completed a gas processing facility at...

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Why Co-digest Food Waste and Sludge?

Some municipalities are co-digesting food waste and sludge at wastewater treatment plants, finding that adding food to the mix significantly increases biogas production without affecting quality. Still, once food is added to these plants’ digesters, the biogas...

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