Waymo on Thursday said it has begun using its sixth-generation driverless system to provide robotaxi rides to employees on Ojai vehicles, which use a base model made by Chinese automaker Geely. By upgrading their driverless tech, and adding more vehicles to its fleet, Waymo aims to extend its U.S. lead and lock in loyal riders. The Alphabet -owned company said its sixth-generation Waymo Driver uses more cost-effective parts, and should be able to navigate through harsher weather conditions than