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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.

Tesla Inc. reported a higher-than-expected seventh consecutive quarter of profit on strong demand for its top-selling Model 3 sedan and announced it will begin deliveries of its Tesla Semi in 2021.

Tesla CEO Elon Musk will host “Saturday Night Live” for the first time on May 8, NBC said.

Tesla Inc.’s acting general counsel has left the electric car maker for Luminar Technologies Inc., a laser-sensor startup that went public via reverse merger last year.

DETROIT — Two federal agencies are sending teams to investigate the fatal crash of a Tesla near Houston in which local authorities say no one was behind the wheel.

Audi’s new Q4 e-tron will go head-to-head with Tesla Inc. in the fast-growing market of compact crossover SUVs to help parent Volkswagen AG narrow its electric-car sales gap with the world leader.

Huawei Technologies Co. will invest $1 billion on researching self-driving and electric-car technologies, accelerating plans to compete with Tesla Inc. and Xiaomi Corp. in the world’s biggest vehicle arena.