 Wherever your smartphone goes, we can go. Get the KSGO app and listen anytime and anywhere to Patriot Radio, 93.1 FM and 1450 AM. KSGO. Cetane rating in diesel fuel is 42 to 45. Most diesel engines operate more efficiently with a cetane rating of 48 to 50. One treatment of Hot Shot Secret Diesel Extreme will raise your cetane seven points, increase fuel economy, and improve cold starts.