On May 13, ABC sent a letter to Rep. Jay Obernolte, R-Calif., and the U.S. House Energy and Commerce Committee’s Environment, Manufacturing, and Critical Materials Subcommittee, urging the committee to oppose the U.S. Environmental Protection Agency’s authorization of new California regulations on locomotive emissions.

On Feb. 27, the U.S. Environmental Protection Agency published a notice and request for comment regarding authorization of new California regulations requiring drastically lowered emissions for locomotives operated on railways within the state.