Investors are looking for evidence Musk’s politics are hurting Tesla. It’s hard to find, but California might be turning against Musk—slowly.

While other business factors also came into play, Tesla likely lost business in California as a result of the role Elon Musk played in the U.S. election.

Tesla's electric-vehicle registrations in California fell about 12% last year, according to industry data, indicating mounting challenges for the automaker in the key U.S. market.

For years, Tesla has been the undisputed heavyweight of California’s growing electric vehicle market. It’s dominated sales charts, crushed the competition, and made itself syn

For years, Tesla has been a leader in the electric vehicle market. The company’s products have pushed envelopes, raised the bar, and generated unprecedented buzz – along with booming sales. However, the days of Tesla’s total dominance in the EV world may be drawing to a close.