I cringe at the thought that my old vanpool's Dodge Maxivan, even if it only got 10 mpg, was one of the most efficient vehicles on the highway, short of commuter buses. It was always filled with 13-15 people, so it was getting ~140 peoplempg @10 mpg, and ~210 pmpg @15 mpg. That's as good as a Prius loaded to capacity.
GasSavers_Howard 
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