Product Details: Update your truck with enhanced engine stability, with the Howes Diesel Treat™ Conditioner & Anti-Gel Fuel Additive that ensures you're Ready for the Road Ahead™. This diesel fuel additive contains no alcohol or harmful solvents, and is safe to use in all diesel and biodiesel fuels. Once added, it helps prevent diesel fuel from gelling in winter conditions, while also removing water. Designed with cleaning agents that cleanse and lubricate fuel injectors, leading to an increase in power and engine reliability. FleetPride is your First Click in Heavy Duty®.