U.S. Sues Volkswagen, Porsche, Audi For Cheating On Emissions TestsThe U.S. Department of Justice filed a civil complaint against Volkswagen, Porsche, and Audi for violating the Clean Air Act on Monday.
Hyundai-Kia To Pay US $100M For Overstating MpgThe penalty could serve as a precedent for other automakers who violate the Clean Air Act.
Outdoor Air Quality: Is America Suffocating Itself?This spring, runny eyes and a stuffed up nose may not be the result of seasonal allergens.
Court Rejects Challenge To California's Clean Air RulesA federal appeals court rejected a legal challenge Friday that sought to bar implementation of a California regulation meant to reduce greenhouse gas emissions by forcing automakers to make and sell less polluting cars in the state.

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