- All Red Line Diesel additives comply with federal low-sulfur content requirements- Rather than creating new products in the diesel category, Red Line reformulates these products often to ensure that they meet the changing demands of the latest diesel fuels- Winter formulas use pour-point reducers to keep wax in suspension and reduce wax crystals to pass through filters and injectors- Our most concentrated diesel product, popular for semis, agricultural, fleet tanks- Cleans and lubricates injectors, pumps, and rings, improving efficiency up to 5%- 15oz treats 100 gallons/gallon treats 850 gallons for a strong clean up dose