President-elect Trump has announced Elon Musk will lead a new cost-cutting agency called the Department of Government Efficiency. Democrats have raised “serious concern” over Musk’s companies having major contracts with the federal government.

Donald Trump, finishing his first full week as president-elect, made it clear he plans to pursue even his most controversial campaign promises.

Musk's newfound influence in the Trump world comes as regulators are grappling with the myriad of cutting-edge technologies his companies are developing.