Here is one discussion of the Prius RV, but I thought that we had another:
http://ecomodder.com/forum/showthrea...ing-20152.html
We had a member that bought salvage-titled Prii and replaced parts of it with wood. He said that the safety inspector did not want to pass off his oak bumper because it was not the full width of the car, even though he pointed out that it was wider than the stock bumper.