STA-BIL Storage Fuel Stabilizer keeps fuel fresh for quick and easy starts after storage. Alternatively, the additive works wonders to keep the gasoline of your car fresh if you aren’t visiting the pump as often. America’s #1 Fuel Stabilizer Treatment Keeps fuel fresh for long term storage – up to 24 months Eliminates the need to drain fuel prior to storage Ensures quick, easy starts by preventing gum and varnish build-up* Effective in Ethanol and Non-Ethanol gasoline For use in all gasoline engines such as vehicles, motorcycles, two-cycle, small engines, generators, and boats