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Clean Air World

Welcome to Clean Air World

The National Association of Clean Air Agencies (NACAA, formerly STAPPA/ALAPCO) welcomes you to Clean Air World. Use this web site to learn about air pollution, find the latest news and information on important air topics and link to governmental air pollution control agencies around the world  

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Did You Know?

Raising CAFÉ (Corporate Average Fuel Economy) standards to 45 mpg for passenger cars and 34 mpg for light trucks would save 1 billion barrels of oil every year which is equivalent to 836 Exxon Valdez-sized tanker ships.