Keep gasoline and your vehicle's engine protected during storage by adding STA-BIL Storage Fuel Stabilizer. STA-BIL Fuel Stabilizer keeps fuel fresh for up to 2 years in your lawnmower, boat, or car. When used as directed it will ensure easy starts next season and help prevent damage caused by ethanol blended fuels. This also eliminates the need to drain fuel before putting the vehicle into storage. It works with all gasoline and gas engine models on cars, boats and other vehicles.