This September, Uber, the app-summoned taxi service, launched a fleet of driverless Volvos and Fords in the city of Pittsburgh. While Google has had its own autonomous vehicles on the roads of Mountain View, California, Austin, Texas, Kirkland, Washington, and Phoenix, Arizona, for a few years, gathering data and refining its technology, Uber’s Pittsburgh venture marks the first time such cars will be available to be hailed by the American public. (The world’s first autonomous…