Lawsuit seeks to restore emissions reductions needed to achieve economic, public health, and climate goals.
Last week, a trade group representing General Motors Co, Fiat Chrysler Automobiles, Toyota Motor Corp and others sided with the Trump administration on its plan and opposed a legal challenge to further weaken the requirements.
California Attorney General Xavier Becerra said the revised requirements “will increase costs to consumers and allow the emission of dangerous pollutants that directly threaten the health of our communities.”
New York City, Denver, San Francisco and Los Angeles are joining the challenge by California, New York, Illinois, Massachusetts, Michigan, Nevada and 17 other states.
Separately, 12 environmental groups including the Environmental Defense Fund, Sierra Club and Union of Concerned Scientists also sued over the rules…