Insomuch as you are talking about a compromise, then you are probably correct. However, since I've retired several years ago and have no need for being anywhere in a BIG hurry, like I did when I was younger, I find that I prefer the big MPGe numbers, and therefore drive 65 and 70, which is the speed limit on most interstates and highways now. But the difference between 70 and 75 is probably about 105 MPGe vs 100 MPGe? So I really shouldn't give a sugar anyway?