FPPF Polar Power Diesel Fuel Additive protects against diesel fuel waxing and gelling while also providing additional performance benefits. It helps to eliminate water while also cleaning the entire fuel injection system as you drive. Improves fuel lubricity and has improved cold temperature storage and handling characteristics. Polar Power can be used in individual vehicle fuel tanks, bulk tanks and in all types of truck, marine, rail and stationary tanks. And can also be used in all types of diesel engines.