Tesla has been profiting off Washington's zero-emission vehicle (ZEV) credits for years now. But the state has recently passed a tax that could change things.

If the Senate were to pass it with those repeals in tact, it could have a devastating impact on Tesla’s energy division.

Washington state residents brace for tax hikes following Governor Bob Ferguson's signing of a $78 billion budget bill. This decision, ending speculation about severe budget cuts, introduces tax increases impacting citizens and businesses alike.

SEE MORE The Tesla store at Bellevue Square in Bellevue, Wash. (GeekWire File Photo / Kurt Schlosser) Critics of a Washington tax that would largely impact Tesla accuse the state’s Democratic ...

Elon Musk criticizes President Trump's legislative agenda, which includes tax cuts and immigration enforcement. He described it as a 'massive spending bill' and voiced disappointment, fearing it increases the federal deficit.

High energy bills and new tax incentives have more people turning to solar power for their homes. With a 30% federal tax credit and other local perks, installing a residential solar system has never been more appealing. And with the right setup, all you need is a battery to store that energy for later use.

Elon Musk's break with the Trump administration means investors will hope he refocuses on his sprawling empire as Tesla battles slumping sales and after SpaceX's latest rocket launch fell short of expectations.