Interstate vs. secoundary roads?
I was wondering if driving the interstate using cruise countrol would save much gas verses the slow down, speedup of going thru towns? My truck seems to have a sweetspot towing of 63 mph.
Forum Discussion
You best mileage will be at a constant speed. It takes a LOT of energy to get your rolling house up to speed just to slow down again. If mileage is your goal then the interstate is where it's at.
