Elon Musk has slept on Tesla's factory floor and instructed SpaceX employees to walk out of meetings where they aren't adding value.

The head of Tesla, SpaceX and the X social media site once known as Twitter has strengthened his ties to the Silver State over the years.

Choosing billionaire Elon Musk to be what President-elect Donald Trump calls “our cost cutter” for the U.S. government, is not the first time an American president has empowered a business tycoon to look for ways to dramatically cut federal regulations.