Engadget reports that Daimler has tested an autonomous truck in one environment guaranteed to put stress on any car: the German Autobahn. While the Mercedes Actros truck was guided with a mix of "radar, a stereo camera array and off-the-shelf systems like adaptive cruise control," there was a human crew on hand, too, just in case. From the article: This doesn't mean you'll see fleets of robotic trucks in the near future. Daimler had to get permission for this run, and the law (whether European or otherwise) still isn't equipped to permit regular autonomous driving of any sort, let alone for giant cargo haulers. Still, this could make a better case for approving some form of self-driving transportation.