C600S biogas fuel @ wastewater plant, Tuscany, Italy. "... estimated to be commissioned in early 2018" "... fueled by digester gas will be installed in grid connect mode ... and provide prime power to the plant ..." http://globenewswire.com/news-release/2017/09/20/1125214/0/en/Italian-Wastewater-Treatment-Plant-Adopts-Capstone-Microturbine-for-Onsite-Renewable-Power.html Italian Wastewater Treatment Plant Adopts Capstone Microturbine for Onsite Renewable Power Bill