The GOP's contentious budget bill narrowly passed in the House, faces dissent in the Senate and has drawn the ire of Elon Musk in a big way.

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.

Here's what to know about the feud between Donald Trump and Elon Musk over the president's "Big Beautiful Bill."