MPG = Air Resistance vs Speed vs Weight
Improving MPG had me wondering, so I found a definitive calculator to make the math easier. http://ecomodder.com/forum/tool-aero-rolling-resistance.php Vehicle weight [1]: 10,000lb (TV & TT) Crr ...
Forum Discussion
These numbers confirm my experience. I always laugh when someone says they travel with an empty FW tank to save fuel. My TT and TV weigh between 17-18,000 GCW. Do you really think 400 lbs of water is going to make a measurable difference in mpg?
