 The 6-in-1 Diesel Extreme formula also includes the most concentrated detergent on the market, lubricity enhancer, water demulsifier, rust and corrosion inhibitors, and a fuel stabilizer. Hot Shot Secret Diesel Extreme is available nationwide at truck stops, fine farm and auto stores, and online at hotshotsecret.com. Hot Shot Secret. Powered by science. This is CBS Radio. July 15, 1958. I am ready for you.