Keep your vehicle running at peak performance by treating your fuel with Mishimoto Fuel Relief Diesel Fuel Treatment. Our specially formulated solution improves fuel economy while reducing the soot produced from your vehicle?s exhaust. The Mishimoto Liquid Chill Fuel Relief also helps prevent carbon buildup on glow plugs and protects the EGR and DPF systems, helping your diesel-powered car or truck start easier and run smoother. One bottle of the Mishimoto Liquid Chill Diesel Fuel Relief treatment can treat up to 512 gallons of diesel fuel while stabilizing the fuel for up to 2 years.