I just thought I'd add, that my MPG has improved a little since my initial post. Now I'm getting about 47 average, and actually had two tanks (mix of city and freeway) that got over 50 (51.1 and 50.4). These are REAL MPG numbers (figured from the gas pump not from the onboard display), though to get those numbers in the 50s, I had to be careful not to drive over 70. If I drive up to 75 (normal driving) it goes to about 46-47 average. Still not bad at all.