A closed-loop scaled system that incorporates waste-treatment, nutrient-management and energy-recovery strategies allows Vermont's Jasper Hill Farm to manage its dairy waste in an environmentally sound way. Among other things, the Green Machine setup captures methane gas from its anaerobic digestion tanks to fuel the creamery's boiler, and composting energy heats the entire waste treatment system. "The Green Machine gives us greater control over the elements that assure quality soil, grass and cows so that we can continue to produce the best milk possible for our award-winning cheeses," said Jasper Hill project manager James Coe.

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