The POWER SERVICE diesel fuel supplement & cetane boost fuel additive in a 2.5-gallon quantity boosts cetane levels, promoting smoother and more efficient engine operation. It prevents fuel system deposits, maintaining cleaner injectors and systems, while also reducing exhaust emissions to contribute to a healthier environment. The additive prevents fuel gelling in cold climates, ensuring consistent flow and performance, and is compatible with all types of diesel engines, offering versatile use across different engine types.