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Tetra Tech is partnering with the City of Boulder, Colorado, on their innovative Biogas Use Enhancement Project, a biogas-to-renewable natural gas (RNG) conditioning system under construction at the city’s Water Resource Recovery Facility (WRRF). Biogas produced from wastewater digesters will be converted into RNG for vehicle fuel for delivery to community partners after injection into the Public Service Company of Colorado delivery systems. The delivery of RNG to the City of Boulder is scheduled