congrats on your purchase. I am glad folks are realizing the benifits of better fuel mileage. I drive dedicated 200 mi loaded, then 200 miles dead head back home. if I keep it at 70-72 mph I get 6 mpg. if i keep it at 60-63 mph,I get 7.0-7.3 mpg. a savings of approx $40.00 a day really adds up.