Go back a couple years or more and read about some things they did then and it should help.HCH and Insight posting. Pump the tires to max. cold setting printed on the side of the tire. Slow down and pay attention. Most people getting real big numbers use a Scan gauge to help, they coast, draft , even push to get going. There all kinds of things to do so start reading! Lots here and other forums. cleanmpg.com forum Have fun Joe.