Now California is pitting itself against Washington, D.C.The brewing battle makes investing in Tesla—and all the other car stocks—more difficult heading into 2025.Tesla stock took it on the chin Monday,

Tesla's electric vehicles likely would not qualify for California's new state tax credits under a proposal in the works if President-elect Donald Trump scraps the federal tax credit for EV purchases,

California Gov. Gavin Newsom said he'll restart a rebate program if Trump ends the federal EV tax credit, but Tesla models could be excluded.