Assoc. of American Railroads et al v. Randolph et al

  1. January 06, 2026

    Calif. Locomotive Emissions Rule Repeal Ends Industry Suit

    A California federal judge on Tuesday dismissed a legal challenge from rail industry groups to a since-repealed regulation that would've required railroads to transition to zero-emission locomotives in the Golden State, closing the book on the dispute after the parties agreed to drop the case.

  2. October 01, 2024

    Judge Stays Calif. Locomotive Emissions Rule Challenge

    A California federal judge halted litigation brought by rail industry groups challenging a regulation requiring railroads to transition to zero-emission locomotives in the Golden State over the next decade, finding the U.S. Environmental Protection Agency's upcoming authorization decision will greatly impact the case.

  3. February 20, 2024

    Calif. Must Face Trimmed Suit Over Locomotive Emissions Rule

    A California federal judge has trimmed a lawsuit from rail industry groups challenging a new regulation requiring railroads to transition to zero-emission locomotives in the Golden State over the next decade, saying some parts aren't in effect yet but others may interfere with federal rules governing railroad operations.

  4. November 27, 2023

    Rail Group Wants Calif. Locomotive Regulations Derailed

    The Association of American Railroads says train emissions regulations adopted by the California Air Resources Board are preempted by the Interstate Commerce Commission's Termination Act of 1995, arguing in litigation over the state's authority that the ICC law broadly keeps state and local authority from regulating rail transportation.

  5. November 13, 2023

    Calif. Says Rail Lobby Can't Block Locomotive Emissions Rule

    The state of California has fired back at a trade group's lawsuit seeking to block a regulation requiring railroad companies to transition to zero-emission locomotives, arguing a decision to scrap the rule can only be made by the U.S. Environmental Protection Agency.

  6. November 08, 2023

    Enviro Orgs. Want In On Calif. Train Emissions Fight

    The Sierra Club and two environmental justice groups are pushing to intervene in a rail lobby lawsuit challenging a California Air Resources Board regulation that cracks down on emissions from locomotives operating in the Golden State.

  7. June 21, 2023

    Rail Lobby Seeks To Block Calif. Locomotive Emissions Rule

    Railroad groups have asked a California federal court to block a newly adopted rule requiring railroads to transition to zero-emission locomotives over the next decade for all trains operating in the Golden State, saying it would impose immense compliance costs and significantly disrupt interstate commerce.