 Hey, it's Joe Pags. Join Carrie, Polo, Sam, and me weeknight, 6 p.m., right here on WLOB. Greater Portland's WLOB FM, 100.5. 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. Hot Shot Secret Diesel Extreme is available nationwide at truck stops, fine farm and auto stores, and online at hotshotsecret.com.