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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?

The difference between a car that gets 20 MPG and one that gets 30 MPG amounts to $1,500 over 5 years based on a rate of $1.50 per gallon.