In many ways, these have been tough days for Tesla. Falling sales. Squeezed profit margins. Proposed changes in US government ...

BYD Co. overtook its American counterpart Tesla in new vehicle registrations in January in the UK, according to recent ...

Elon Musk is relying on a coterie of young engineers with little government experience in his takeover of the U.S. Federal ...

Spending power, privacy concerns and conflicts of interest have put the bureau at the center of a political fight.

The plunge in Tesla sales comes amid Musk’s increasing involvement in global politics and rising competition from China.