https://www.reuters.com/article/us-autos-selfdriving-waymo/waymo-gets-california-ok-to-test-driverless-vehicles-without-backup-driver-idUSKCN1N42S1 >Alphabet Inc's Waymo unit on Tuesday became the first company to receive a permit from the state of California to test driverless vehicles without a backup driver in the front seat, the state's Department of Motor Vehicles said.