VERY interesting idea.

Good Luck, and let us know how it goes.

Perhaps you could have a guarantee of sorts ? One time around they drive as usual, then last lap with gas saving techniques. At least 20% improvement, or free next lesson

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."