Archer Daniels Midland Co. launched Enova™ cooking oil in December. The product has been clinically shown to help with the fight against body fat and obesity. It will be marketed by ADM Kao LLC., a joint venture between ADM and the Kao Corp. of Japan formed in June 2001. Enova oil will initially be available in the Atlanta and Chicago metro regions in 20-oz. bottles through grocery and other retail food stores. Developed in Japan by Kao, Enova oil was introduced as Healthy Econa Cooking Oil in J…