Bob, Linder, as I told you before,truck is awesome,use it in good health.Tri State has put me in brand new Volvo with the v13 engine 465 hp.10 speed tranny,and with 44000 lbs in box at 65 mph we topped a plus 7 mpg.the trailer has no aerodynamics,I have had the mpg as high as a plus 8,just...