Fuel Saving Tips

Drive the flow of trafic...

If found that driving ~65 MPH, oddly does NOT get me the highest fuel economy, in heavy traffic. When I drive at a more higher speed of 75-80 MPH, I get better fuel economy (this is slower than the average flow of traffic)??? I assume, this is like following a semi-truck. Since the average block of traffic, is going 75-85 MPH, I'm sorta drafting, I suspect...