SALEM, N.H. -- PurposeEnergy, a renewable fuels and biogas specialist focused on waste solutions for the food and beverage industries, today announced the grand opening of its Middlebury renewable energy facility at a ceremony held on October 24 attended by local government and business leaders. The $23 million project utilizes patented anaerobic digestion technology to support Vermont’s circular economy goals by minimizing waste and maximizing resource recoveries.