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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?

Increasing fuel efficiency standards for new vehicles to an average of 39 miles per gallon over the next decade would save 51 billion barrels of oil over the next 50 years more than 15 times the likely yield from the Arctic Refuge.