The Penray Winter Pow-R Plus Diesel Treatment is the perfect solution for cold-weather diesel fuel maintenance. This powerful treatment helps prevent ice crystal formation, improve lubricity and prevent corrosion. It also contains cetane to restore fuel economy and eliminate the growth of wax crystals in the fuel. This product is designed to keep your diesel engine running smoothly and efficiently in cold weather conditions. FleetPride is your First Click in Heavy Duty®.