SoyUltra Gasoline Additive is a concentrated, ashless blend made from soybean oil. Offering superior wear protection for fuel injectors and pumps, this additive also contains friction modifying and detergency properties. Perfect for all gasoline and ethanol blends, it keeps your engine running smoothly and efficiently. Features: Optimizes performance and fuel economy up to 5%. Improved drivability, smoother idling. Reduces emissions, exhaust smoke and particulates. Keeps injectors free from varnish, deposits and gum. Superb piston deposit control to reduce the risk of engine seizure. Stabilizes fuel during storage.