An entirely original concept, implemented elegantly:

I'm assuming that someone's gamed this thing out and concluded that there's no scenario under which half humanoid / half car robots become a problem.

Previously:
* Neat - War Of The Worlds Style Tripod-Legged Robots... Wait, What? [Video]
* And In This Week's News Of Robots That Will Soon Enslave Us...
* Neat - Autonomous Robots With Weapons Strapped To Them