In Arizona, Uber finds what it wants: a state that treats self-driving cars like any other vehicle

Uber moved a fleet of self-driving vehicles to Arizona on Friday after California insisted it comply with local rules -- a move that highlights the regulatory discrepancies governing this new technology between states. The California Department of Motor Vehicles revoked the registration of 16 Uber cars Wednesday because Uber refused to apply for a permit for testing autonomous vehicles. Uber's response: shipping the cars to a state where no such permits are required. It's a tactic that could have consequences for California's future as a hub for self-driving technology, some experts said. Though California allows companies to test self-driving vehicles on its roads, it has established strict regulatory barriers.