Tesla quietly spent $2 million on a technology Elon Musk previously trashed as a 'fool's errand'

Core Insights - Tesla has spent approximately $2 million on lidar technology, which is contrary to CEO Elon Musk's previous criticisms of lidar as unnecessary for electric vehicles [1][2] - Lidar manufacturer Luminar reported that Tesla was its largest customer last quarter, accounting for over 10% of Luminar's $21 million revenue [1][3] - Musk has consistently stated that Tesla relies solely on camera-based systems for its self-driving features, rejecting the use of lidar, radars, and ultrasonic sensors [3][4] Group 1: Lidar Technology - Lidar, which stands for light detection and ranging, is used to create 3D images of surroundings and is often employed in self-driving and Advanced Driver-Assistance Systems [2] - Despite Musk's negative stance on lidar, Tesla's recent purchases indicate a potential shift or testing phase regarding the technology [1][3] Group 2: Regulatory Scrutiny - Tesla's Autopilot feature has faced regulatory scrutiny, leading to a recall of over 2 million vehicles due to concerns about driver misuse [4] - The US Department of Justice is reportedly investigating Tesla for potential wire and securities fraud related to Musk's past statements about Autopilot [5]