Tesla Inc. has parted ways with Jerome Guillen, a 10-year veteran who most recently served as president of heavy trucking and was one of four top executives running the company, including Chief Executive Officer Elon Musk.

Move over, In-N-Out Burger. Elon Musk, CEO of Tesla Inc., is one step closer to opening a diner.

DETROIT — Two key groups that offer automobile safety ratings are yanking their top endorsements from some Tesla vehicles because the company has stopped using radar on its safety systems.

Tesla Inc. updated its website May 25 to announce that Model 3 and Model Y cars built for North America and shipping this month no longer will be equipped with radar.

Automotive historians may look back on May 2021 as a tipping point in the evolution of electric vehicles.

Tesla Inc., whose boss Elon Musk says he can develop a fully self-driving car without using laser-sensor technology, has a contract to use such lidar sensors from Luminar Technologies Inc. for testing and development, according to people familiar with the matter.

Elon Musk’s Twitter posts keep sending Bitcoin prices tumbling. His own fortune is heading in the same direction. On May 17, Tesla Inc.’s CEO lost his spot as the world’s second-richest person.

LOS ANGELES — California’s Department of Motor Vehicles is reviewing whether Tesla is violating a state regulation by advertising its vehicles as being fully autonomous without meeting the legal definition of self-driving.

One of Tesla Inc.’s engineers told California authorities that CEO Elon Musk overstated the capability of Autopilot, the company’s driver-assistance system, early this year.

The U.S. Environmental Protection Agency accused Tesla Inc. this month of failing to prove it is complying with hazardous air-pollutant rules related to the surface coatings of its electric cars.