Not to toot my own horn, but I am!
Well, at least I'm tooting my truck's horn! Actually, my Chevy 3500 diesel dually (2014 model) in my signature below got me 19.5 mpg this last week-end (not towing) and it was not flat interstate d...
Forum Discussion
To what do you attribute the higher fuel economy: better aerodynamics, more speeds in the transmission, lighter wheels, or something else?
