 One treatment of Hot Shot Secret Diesel Extreme will raise your cetane seven points, increase fuel economy, and improve cold starts. Due to a cleaner burn, there are less hydrocarbons and particulate matter in your exhaust. This reduces the blockage of your diesel particulate filter. Using Diesel Extreme generates 83% less DPF regenerations. The 6-in-1 Diesel Extreme formula also includes the most concentrated detergent on the market, lubricity enhancer,