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

Republicans have secured a majority in the House of Representatives with a two-seat advantage. However, it is quite slim because some key races have yet to be called. President-elect Donald Trump's cabinet nominations have also raised concern about the possibility of seat vacancies.

President-elect Donald Trump made good on one of his campaign promises Tuesday night when he officially appointed billionaire Elon Musk to lead the new “Department of Government Efficiency,” along with entrepreneur Vivek Ramaswamy.