Corn oil is used for frying and sauteing foods. It is found in some types of margarine. It is used to make fried snack foods. It can be used in paints, in soap, in inks, in clothing, in certain insecticides and sometimes, it can be used in pharmaceuticals as drug carriers. Biodiesel which is usually made from soybeans, can be made from corn oil, and is used in diesel engines and as an alternative to heating oil. Ethanol, a product of corn oil, is an additive to fuel, and is considered a biofuel as it is renewable. Less gasoline is used in converted engines that used an 85 percent ethanol mixture. Corn oil can be used as a skin softener, a rustproofer, an ingredient in salad dressings and for many other purposes.