Fuel Mileage
I have been looking into the fuel mileage of my 2006 Chevy Duramax being so low. Less the 12 mpg in town and less them 15 on the road. I an a conservative driver. The 14.9 mpg was using the cruise con...
Forum Discussion
On my motorhome, I found the sweet spot (57-62) and that is what I drive. Terrain has a lot to do with MPG.
