Ernie, the winglets and spoiler make me wonder...will this work on my truck? I ask because I am a big fan of the old Daytonas, and they had a mighty big wing!
Aero Warriors - Aero Warriors Images, Part 1 I can get one for my truck, but I do not know if anyone has tried mpg measurements with it...
The drive from SLC to Wendover is not too bad. My wife and I got 36.9 mpg with her 08 Avenger on that stretch earlier this year.
I am curious where you did some of your reading about the wind...