Elon Musk's Department of Government Efficiency (Doge) - set up to cut US government spending - claims to have saved, on average, more than $10bn a week since President Trump entered office. "We're talking about almost $200bn and rising fast," Trump told the BBC when talking about Mr Musk's cost-cutting drive on 23 April.

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.

X Corp., the social media platform owned by Trump adviser Elon Musk, is challenging the constitutionality of a Minnesota ban on using deepfakes to influence elections and harm candidates, saying it violates First Amendment speech protections.

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.