RESTORES FUEL FLOW: Designed to restore fuel flow in diesel engines during cold weather conditions, this product is here to the rescue to ensure optimal engine performance, allowing for reliable operation even in extreme temperatures. DISPERSES MOISTURE: Its advanced formulation works quickly to thaw & dissolve ice in fuel filters, lines, pumps & tank & prevents further blockages, making it a vital addition to any diesel vehicle maintenance routine. SAFE FOR ALL DIESEL ENGINES: This diesel winter rescue is a highly effective solution designed for all diesel engines & fuel, including those utilizing biodiesel blends. IMPROVES FUEL ECONOMY: This diesel fuel additive is also designed to enhance fuel economy while providing superior lubricity throughout the fuel system to protect it. EASY TO USE: Add to diesel fuel during the cold winter months. 1 qt. bottle treats up to 40 gallons of fuel. Use 1.2oz per gallon or double dose for optimal treatment & protection. POWERED BY SCIENCE: Our products are engineered to resolve issues, make equipment last longer and improve efficiency. Nothing leaves our building with our name on it unless we know it is absolutely the BEST it can be.