Diesel Treat safely removes water and prevents gelling in even the coldest climates. Safe, effective and loaded with the latest and greatest performance-enhancing technology, Diesel Treat is designed to solve the problems created by today's ULSD fuel. It provides lubricity, prevents deposits and eliminates smoking and rough idle. Its special formula has been tested and proven time and again to prevent gelling in even the coldest weather. Diesel Treat helps protect against todays Ultra Low Sulfur Diesel (ULSD) fuels by providing added lubricity to injectors, pumps and upper cylinders. In doing so, it extends the life and increases the performance of diesel engines of all types. More than just an anti-gel, Diesel Treat also contains a specialized detergent package to help prevent fuel injector deposits. Carbon deposits on diesel injector systems can cause loss of engine power and other issues. Preventing these helps to improve performance and fuel economy, saving you money. Water is abrasive to your system and can lead to fuel filter icing. Many products emulsify or mix water into the fuel, often using harmful alcohols or solvents that can do additional damage to your engine.