If this is your first visit, be sure to check out the FAQ by clicking the link above.
You may have to register before you can post: click the register link above to proceed.
To start viewing messages, select the forum that you want to visit from the selection below.
Now you're gonna have to tell us how if affects fuel mileage after you've had it on for a while. I remember the guys at Mythbusters saying after they conducted their experiments that bed covers like that will not gain you fuel mileage.