Sugar beet ethanol (no biogas from slop, natural gas as process fuel in conventional boiler) 9.6: 26.3: 2.3: Sugar beet ethanol (with biogas from slop, natural gas as process fuel in conventional boiler) 9.6: 13.6: 2.3: Sugar beet ethanol (no biogas from slop, natural gas as process fuel in CHP plant a) 9.6: 18.5: 2.3Learn More