Elon Musk says he will spend more time at Tesla, but the White House expects him to continue “dedicating a lot of his time”’ to supporting the president.

The billionaire head of the U.S. DOGE Service clashed with Trump Cabinet officials well before he announced he would soon head back to Tesla.

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,