Minneapolis to Erie, PA, 900 miles, 10.75 mpg. 3 big blizzard plows on the back, 3500lbs. Erie, PA to Newark, NY, 190 miles, unloaded, 12mpg. Newark, NY to Elkhart IN, 525 miles, 1500lbs 10' salt spreader on the back, 10mpg. Elkhart, IN to Minneapolis, MN, 550 miles, salt spreader + 24' enclosed car trailer, 8.1 mpg. Fuel was cheapest in MN and PA at 3.95/gal, most expensive around Chicago at 4.34/gal. Sure love traveling with a 40 gallon tank! Truck is an 03 F350 Dually Flatbed V10 4x4 auto. Will be rinsing and repeating in a few weeks, hopefully gas comes down a little by then...