News & Analysis as of

Environmental Litigation California Preemption

Cozen O'Connor

Republican AGs Support End of California Vehicle Emission Regulations

Cozen O'Connor on

Iowa AG Brenna Bird led a group of 26 Republican AGs in filing two amici curiae briefs urging the dismissal of pending challenges to Environmental Protection Agency waivers allowing California to enforce its own vehicle...more

Allen Matkins

California Environmental Law & Policy Update 8.15.25

Allen Matkins on

A group of truck manufacturers filed a lawsuit on August 11 against California regulators contending that the state lacks the authority to enforce its heavy-duty vehicle emissions standards, which are stricter than federal...more

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