BEST BioDiesel Cashton is an 8 million gallons per year B-100 biodiesel plant. This plant will use a variety of agricultural oils and animal fats as its feedstocks. Besides the biodiesel plant, BEST BioDiesel Cashton will be the engineering center for BEST’s biodiesel technologies. Every aspect of the BEST BioDiesel Cashton facility design considered the environmental impact to the site and surrounding community. A range of decisions including construction materials, waste water treatment, and air emissions were considered with environmental impact as top priority.