An ultra-clean FuelCell Energy fuel cell system is to use biogas produced from waste kitchen grease to power wastewater treatment plant, reduce energy costs, grow city revenues and improve air quality.
Inedible kitchen grease from restaurants is being hauled to a wastewater treatment plant in Millbrae, California, where it's being turned into green power to help treat the city's wastewater, with no increase in cost to ratepayers.