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The problem is not just the size it is the power they put into cars and SUVs. If the power is there both the EPA test and the general consumer uses it. That's why they should allow epa testing with an "eco" mode active. Then makers could show how a detuned, short shifted, powerband helps MPG. Then the consumer would be more likely to activate it as well. I think they also need a 75mph steady state EPA economy test to show consumers what aerodynamics can do in the real world of high speed driving. I bet many families who own an SUV also own a car but when they head off across country they choose the SUV because last time they almost got 20mph on the trip while day to day the car is only getting 25 mpg around town. They don't realize the car might get twice the mpg on the trip.
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