Mike, I thought I was the only poster that got 40 plus MPG in the FEH. All I hear is complaints about people getting less than 24 MPG. My worst gas mileage was 29 MPG and I was driving hard, fast and with the A/C on just to see what I would get.
I will admit that I have to work at it to get above 38 MPG and its became a challenge with a reward. Can't wait till winter when I don't need the A/C and use drafting on the highway to see if I can match or beat your 43 MPG. Right now 40.25 is my best but I've learned some new tricks driving in the heat.
You must have the Nav. computer because I know I would never have learned to drive to get this kind of mileage without it.
I read post where people were saying they got to almost 40
MPH in EV mode and I did'nt believe them because I could only get to 35. Well I do now, as the FEH reached 8,000 miles, I started to get to 38
MPH in EV. Things get better with more miles and experience.