Added to gasoline, the unique Star brite Star Tron Enzyme Fuel Treatment enzyme formula improves performance in all gas engines. As the additive "cures," it prevents ethanol fuel problems and allows engines to start easily and run smoothly. Unlike ordinary engine fuel treatment products, Star brite Star Tron Enzyme Fuel Treatment cleans the entire fuel delivery system, improves fuel economy, and reduces emissions. Not only does this Star brite fuel treatment remove carbon depositsit also prevents future deposits. Use Star Tron Fuel Treatment in outdoor power equipment, motorcycles, snowmobiles, ATVs, scooters, generators, chain saws, ice augers, small boats, and many other applications. Unique enzyme formula Prevents ethanol fuel problems Allow engines to start easily and run smoothly Improves fuel economy Removes carbon deposits and prevents future deposits