Car Physics??wtf???

…and i quote:

A car physics engine is also added in version 2.42 that makes it easy to create cars and subsequently, racing games. The process of modifying cars has been simplified, leading to a more realistic feel and better customization of individual cars.

What is it talkin about? thanx

http://download.blender.org/demo/test/engine-physics-demos-2.42-preview34.zip

theres a vehicle demo in there vehicle3_steering fix.blend