Quote:
Originally Posted by Chance
In the mean time Class Bs of 20 years ago got 10 to 12 MPG, and today much larger Class Bs get up to 17 MPG on gasoline, and over 20 MPG on diesel. Class B improvement has been considerable while Class As and Cs have improved much less.
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As you said earlier: There really is no incentive for them to improve things. People keep buying the current models and there are few regulations to push them into a different direction (although I suspect that is changing since I think that is what pushed Thor into putting the E450 into the Vegas--a heavier chassis can get lower mpg).