Tesla remains Musk’s best-known business, but its fortunes are less directly tied to the government than SpaceX, his rocket-building company.

The feud reignited on Monday when Musk, who spent hundreds of millions on Trump's re-election, renewed his criticism of Trump's tax-cut and spending bill, which would eliminate subsidies for electric vehicle purchases that have benefited Tesla, the leading U.S. EV maker. That bill passed the Senate by a narrow margin midday Tuesday.

US President Trump has escalated the feud with Elon Musk, vowing to cut federal subsidies to Tesla and SpaceX and hinting at possible deportation amid fallout over EV credit rollbacks., US News - Time