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2. Vehicle inspection in the United States - Wikipedia

   en.wikipedia.org/wiki/Vehicle_inspection_in_the...

   The Clean Air Act of 1990 required some states to enact vehicle emissions inspection programs. States impacted were those in metropolitan areas where air quality did not meet federal standards. [1] Some states, including Kentucky and Minnesota, have discontinued their testing programs in recent years with approval from the federal government.

3. United States vehicle emission standards - Wikipedia

   en.wikipedia.org/wiki/United_States_vehicle...

   The Clean Air Act of 1963 (CAA) was passed as an extension of the Air Pollution Control Act of 1955, encouraging the federal government via the United States Public Health Service under the then-Department of Health, Education, and Welfare (HEW) to encourage research and development towards reducing pollution and working with states to establish their own emission reduction programs.

4. News, Politics, Sports, Mail & Latest Headlines - AOL.com

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   Discover the latest breaking news in the U.S. and around the world — politics, weather, entertainment, lifestyle, finance, sports and much more.

5. Duct leakage testing - Wikipedia

   en.wikipedia.org/wiki/Duct_leakage_testing

   Duct leakage test in the US. A duct leakage tester is a diagnostic tool designed to measure the airtightness of forced air heating, ventilating and air-conditioning (HVAC) ductwork. A duct leakage tester consists of a calibrated fan for measuring an air flow rate and a pressure sensing device to measure the pressure created by the fan flow.

6. Free at-home COVID testing program restarting as officials ...

   www.aol.com/free-home-covid-testing-program...

   The federal government will restart its free at-home COVID tests program in September as officials prepare the country for the upcoming respiratory virus season. Dawn O'Connell, assistant ...

7. AOL Mail

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   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

8. Testing, adjusting, balancing - Wikipedia

   en.wikipedia.org/wiki/Testing,_adjusting,_balancing

   In heating, ventilation, and air conditioning (HVAC), testing, adjusting and balancing (TAB) are the three major steps used to achieve proper operation of heating, ventilation, and air conditioning systems. TAB usually refers to commercial building construction and the specialized contractors who employ personnel that perform this service.

9. Brown snow fell in a Maine town. Here's what officials say ...

   www.aol.com/brown-snow-fell-maine-town-234035621...

   Snowfall is nothing new in Maine, but usually it's white. The east Maine town of Rumford experienced a rare weather event Tuesday in the form of brown snow, town officials confirmed on Facebook.