HB1388 – Allows manufacturers that only make zero-emissions vehicles, like Tesla, to own and control their own dealerships, finance, leasing and service operations. (Dead)
Prime Sponsor – Representative Kloba (D; 1st District; Kirkland, Bothell)
Current status – Referred to the House Committee on Consumer Protection & Business; had a hearing February 10th.
Next step would be – Dead bill.
Legislative tracking page for the bill.
Plug-In America has a fact sheet on the bill.

Summary –
The bill allows manufacturers that only make zero-emissions vehicles, like Tesla, to operate their own dealerships, finance, leasing and service operations. (It also raises the cap on the documentary service fee dealers can charge to cover the costs of dealing with registration fees and other legal requirements when selling or leasing a vehicle from $150 to $300.)