Their fast-evolving political friendship has become a potential minefield, as Mr. Musk’s sprawling businesses may present conflicts of interest if Mr. Trump is elected in November.
The international agency charged with regulating seabed mining elected a U.N. environmental regulator to replace a leader accused of too-close industry ties.
General Motors said the self-driving division’s cars will operate in Dallas, Houston and Phoenix after an accident last year. Human drivers will supervise the cars.
Akio Toyoda ran Toyota for 14 years before handing the reins to a new C.E.O. last year, but some have grown concerned about the control he still wields.
The president has proposed new barriers to electric vehicles, steel and other goods.
Robyn Denholm, who has led the electric car company’s board for more than five years, has been criticized for not serving as a check on Mr. Musk.
Gernot Döllner, who is considered close to Volkswagen’s chief executive, Oliver Blume, will take over at the luxury brand starting Sept. 1.
Akio Toyoda, who has been reluctant to embrace all-electric vehicles, will be succeeded as C.E.O. by a Lexus executive.
To a degree unseen in any other mogul, the world’s richest man acts on impulse and the belief that he is absolutely right.
The electric vehicle maker’s stock surged after a public offering last fall but has since plunged, in part because the company failed to meet its 2021 goals.