Musk, who supported Trump's campaign and also served as an adviser to the White House, has criticized the tax and spending bill the president is pushing.

Joe Gebbia, a confidant of the technology billionaire and a Tesla director, is also a leader of the federal cost-cutting team. The fight might put him in a bind.

The billionaire SpaceX, Tesla and X owner who catapulted his zealous embrace of President Donald Trump into a powerful position, slashing government spending, now risks sweeping cuts to his own bottom line after resuming the feud that led to their very public bitter split last month.