The measure’s prime sponsor is House Majority Leader Joe Fitzgibbon, a West Seattle Democrat who is also the lead budget writer for his chamber. The House passed HB 2077 on Tuesday, and the Senate Committee on Ways & Means is scheduled to consider the bill this afternoon.

SHB 2077 is an EV credit tax bill that slaps new excise taxes on car manufacturers that either sell or bank more than 25,000 zero-emission vehicle (ZEV) credits per year. Translation? If you’re making serious money off selling the idea of going green, the state wants its cut.

The past few months have mostly been a string of bad news and share price dips for Tesla (TSLA) stock. Once hailed as the undisputed leader among electric vehicle (EV) producers, the company is watching its market share slip away as backlash against CEO Elon Musk continues to compromise sales on a global scale.