Elon Musk’s plans to wind down his work at the Department of Government Efficiency (DOGE) are raising questions about the future of the cost-cutting push that has defined his brief but controversial tenure in the administration.

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,