The social dilemma of autonomous vehicles

A self-driving car carrying a family of four on a rural two-lane highway spots a bouncing ball ahead. As the vehicle approaches a child runs out to retrieve the ball. Should the car risk its passengers’ lives by swerving to the side—where the edge of the road meets a steep cliff? Or should the car continue on its path, ensuring its passengers’ safety at the child’s expense? This scenario and many others pose moral and ethical dilemmas that carmakers, car buyers and regulators must address before vehicles should be given full autonomy, according to a study published in Science.