The tech billionaire and top Trump ally visited the General Services Administration, which appears to be a key part of his crusade to cut the cost of government buildings.

It’s hard to fault a CEO who grows a company beyond $1 trillion in value. Elon Musk managed the feat by upending the automotive market with Tesla’s electric vehicles and extended its lead with broader battery power.

The Tesla CEO's net worth fell by around $4 billion yesterday, however, according to the Bloomberg Billionaire Index.

A quick look at Elon Musk’s social media pages makes it clear that he’s more focused on his work in Washington D.C. than anything involving electric vehicles (EVs) or rockets. 💰💸 Don’t miss the move: SIGN UP for TheStreet’s FREE Daily newsletter 💰💸 Even as Tesla TSLA prepares to report its Q4 earnings and full-year guidance after market close Wednesday,

Elon Musk is only one week into his role in President Donald Trump’s new administration, but the US federal government is already rolling out the Twitter playbook to manage its spending and personnel.