In a previous article about why motorhomes don’t have MPG ratings, I gave you a few tips how to calculate your own fuel efficiency and how to improve it. This is a quick follow-up about some of the physics behind the fuel efficiency of an RV. If you’re shopping around for full-time traveling, you might find these thoughts useful.

Total Weight: Not as Important As You Think

Although weight is number one on this list, it’s actually not the number one factor impacting gas mileage.

You know what’s freakishly heavy? An airplane. Do you know what’s incredibly aerodynamic? Also an airplane.