Aerodynamics
Ok, before you start this seems a bit off the wall to me too. I have been reading about mods to trucks involving sealing off the bottom side to improve air flow. Seems like a lot of work to me. But I ...
Forum Discussion
They sell those airtab things -- little triangles on the back edge of the RV -- and some truckers use them. But I do not know if there is a controlled study to show that the mpg justifies the expense. Some folks who use them swear that they get a more stable ride and less dirt on the back.
