AG Anthony G. Brown joined a multistate coalition of 16 attorneys general and 3 cities to defend two Clean Air Act waivers granted by the U.S. Environmental Protection Agency (EPA) that are critically important to stop climate change and protecting public health from air pollution.The EPA’s Clean Air Act waivers support California’s enforcement of CARB’s Advanced Clean Cars II (ACC II) and Heavy-Duty Engine and Vehicle Omnibus (Omnibus) regulations. The American Free Enterprise Chamber of Commerce is challenging the waivers in the U.S. Court of Appeals for the Ninth Circuit.

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