Certainly, many people in the vast majority of cars end up with mpg less than the EPA mean. The AAA used to have a long list of cars that they tested that shows this rather clearly. It also shows just as clearly that the Prius is not better or worse than than the average non-hybrid -- around 10% less than EPA.

Demands to decrease the hybrid EPA results unilateraly are unfounded and without merit. A more demanding EPA test cycle is an interesting question, but it is NEVER going to happen. Detroit barely makes CAFE as it is.

R2-E2, 2G Prius.
Highway/City/Husband/Wife MPG: 56.5, as of 12/2005, 26K miles

Jac Nasser, Ford President: "We are planning to launch a hybrid version of
this car [P2000] within this year [1998]. We will also make FCEV available in
2004."