Jim wrote: >21+ MPG seems OK for a sedan traveling at those speeds That sounds about right, depending on how often you were accelerating/decelerating, terrain, etc. On my recent trip back from NJ I spent a lot of time in the 90-100 MPH region and got about 23-25+ mpg depending on where I was. Slowed waaaay down when I got to NJ though. Good thing! Best Wishes, Alex