Elon Musk has called lidar a crutch. The Tesla CEO believes he can build self-driving and semi-autonomous cars without relying on the technology, which uses lasers to help the cars map and navigate their surroundings.

Tesla Inc. hasn’t thrown its plan to demonstrate an autonomous cross-country drive out the window — it’s just tapped the brakes.

The U.S. National Transportation Safety Board is gathering information about an accident involving a Tesla Inc. Model S sedan that rear-ended a firetruck on a freeway near Los Angeles on Jan. 22, the agency said.

Tesla Inc.’s superstar chief executive Elon Musk unveiled a futuristic looking electric semi truck last week that surpassed analyst expectations and weighed heavily on the shares of truck and truck component makers.