“For this project I had the idea of two cars wrestling with each other. Originally I had it the other way around, with a larger car (4×4 etc.) overpowering a smaller car. But a moment of inspiration sent me in another direction, and I decided to switch the roles of the cars, changing large verses small, to “efficient” verses “gas guzzler”.”
http://www.3dtotal.com/tutorial/3d_studio_max/rendering/makingof_eco_wrestle/eco_wrestle.php