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Ozone Standards Implementation Act of 2017

A truck engine is tested for pollution exiting its exhaust pipe as California Air Resources field representatives (unseen) work a checkpoint set up to inspect heavy-duty trucks traveling near the Mexican-U.S. border in Otay Mesa, California September 10, 2013. California Highway Patrol and the Air Resources Board were inspecting trucks for compliance to California's air pollution laws. REUTERS/Mike Blake

Politics Jul 18

House votes to delay Obama-era smog reductions

By Michael Biesecker, Associated Press

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