NPR reports that the Department of Transportation released a revised set of guidelines outlining best practices for automated driving systems, the Vision for Safety 2.0, scaling back some of the recommendations outlined by President Barack Obama last year. The guidelines remain voluntary in nature. The DOT admits the guidelines are part of what it sees as an evolving approach to automated driving, adding that "DOT and NHTSA are already planning for 3.0." The announcement came the same day that the National Transportation Safety Board found a Tesla automated driving system to have played a "major role" in a collision last year that resulted in the death of the test driver. 
Full Story