Google's Lexus RX 450h Self-Driving Car Self-driving car manufacturers have arranged the car so that a human driver can take over once they get to a tricky spot. But why is this? Driverless cars don’t get road rage, drunk or sleepy. They have had a few technical hiccups, but these are being ironed out as technology improves. According to the US Department of transportation, more than 90 percent of car accidents in the United states are caused by driver error.* Self-driving cars have the rules of the road immaculately programmed into them, so that makes them perfect for driving in large cities, right? Wrong. The times that I have spent driving in Dublin, Ireland and America and seeing the state of driving in big cities in general tells me otherwise. It is not a flaw in the car itself. It is just that one must be aggressive to drive in major cities. I will never forget the day that a sleepy truck driver in America basical...