Elon Musk said he would keep doing part-time work for the Trump administration beyond next month, raising more questions about his role and whether the White House is following the rules.

Musk’s management style has always been a lightning rod. His focus on speed and impatience allows him to advance technologies at a breakneck pace.

A sobering quarterly report puts more prssure on Tesla’s chief executive to make good on his promises for fully autonomous vehicles.