"A long way away" - only true in terms of linear extrapolations of current progress. Think in terms of exponential progress, and we're about 5 years from the ma

"A long way away" - only true in terms of linear extrapolations of current progress. Think in terms of exponential progress, and we're about 5 years from the majority of trips being done by self-driving car, IMHO. The benefits of self-driving cars are so powerful that they will take over the world even faster than the electric vehicles described in this article...