No rush... You see how long it took me to just get to those pics...
*edit: AFAIK it seems that a drag reduction of (say) 10% roughly equates to a fuel reduction about half that (5%), but I can remember where it's stated and I've also not really scratched into any of the formulas.
I guess my vision for the infographic(s) is to be a good intro that gradually leads towards the more fanatical. It seems the longer one is on this site, the more fanatical one becomes
