I run with a guy every night and the truck he drives was one of the very first to get turned down.Since he had the slower truck being the nice guy I am he always got the lightest trailers and usually had the light ones going both ways.Well what do you know he uses more fuel than me every night and we both drive 05's. I know lots of variables in the equation,but we have been doing an unofficial study and have come to the conclusion that somebody F'd up here.