Ford Motor Co ( F.N ) said Tuesday it plans to triple to 30 the size of its fleet of self-driving test cars as part of an effort to accelerate autonomous vehicle development. In an announcement coinciding with the Consumer Electronics Show in Las Vegas, Ford said it will begin using a new, lower cost LiDAR sensor made by California-based Velodyne. The high cost of such sensors, which act as the eyes of a self-driving car, is one of the main technical obstacles to widespread commercialization of self-driving vehicles, industry executives say. Ford said it will be the first automaker to use Velodyne’s new solid state “hybrid Ultra PUCK Auto” sensor. The compact device replaces the spinning scanners mounted on the rooftops of some autonomous test vehicles. […]