The fight over President Donald Trump’s so-called big, beautiful bill is turning ugly. After passing the GOP-controlled House, the bill has moved to the Senate, where Republicans are facing a bitter divide over how to balance their competing priorities.

Electric vehicles are expected to take a hit under the existing reconciliation budget proposal, but that isn’t the only provision that would seemingly hurt Elon Musk and his business if passed as written.

Senate lawmakers say they are making significant changes to Trump's Big Beautiful Bill before sending it back to the House for consideration. Here is a look at what could be changing.