Here is the problem with the perception: Because MPG is calculated on "miles" vs "time spent in car", we clock 80% of our miles on the highway. Therefore, we should spend more attention for Highway's MPG testing and ratings. Unfortunately, we are sort of cheated of this. EPA relies on Drag Coefficients supplied by the Manufacturers and the simulation does not take the front license plate into consideration. The data is flawed and tests are flawed; even the new revised tests. They now talk about A/C, but they totally ignore the Aerodynamics.
Imagine: a plane with a dinner plate attached to the nose. No way, the plane cannot take off.
I think here is an ideal solution that will make an impact and have people think while making an environmental statement and costs less than a gallon of gas per vehicle. (and about as much as Dunkin Donuts coffee).
http://www.HighwayGlider.com
Imagine, 1/10 of the cars, saving at least 2-3% gas ==> Billion$ of Less Oil and Carbon every year