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2. Vehicle inspection in the United States - Wikipedia

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

   Striped: Both safety and emissions testing required. In the United States, vehicle safety inspection and emissions inspection are governed by each state individually. Fifteen states have a periodic (annual or biennial) safety inspection program, while Maryland requires a safety inspection and Alabama requires a VIN inspection on sale or transfer of vehicles which were previously registered in ...

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. Worldwide Harmonised Light Vehicles Test Procedure

   en.wikipedia.org/wiki/Worldwide_Harmonised_Light...

   The Worldwide Harmonised Light vehicles Test Procedure (WLTP) [1] is a global driving cycle standard for determining the levels of pollutants, CO 2 emission standards and fuel consumption of conventional internal combustion engine (ICE) and hybrid automobiles, as well as the all-electric range of plug-in electric vehicles.

5. These metro-east, St. Louis neighborhoods have higher than ...

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6. FTP-75 - Wikipedia

   en.wikipedia.org/wiki/FTP-75

   The EPA Federal Test Procedure, commonly known as FTP-75 for the city driving cycle, are a series of tests defined by the US Environmental Protection Agency (EPA) to measure tailpipe emissions and fuel economy of passenger cars (excluding light trucks and heavy-duty vehicles).

7. Idaho wants to end vehicle emissions testing. How will that ...

   www.aol.com/news/idaho-wants-end-vehicle...

   The emissions testing program in Canyon County and Kuna began in 2010 because of an Idaho law that required vehicle emissions tests in airsheds where an ambient air pollutant is at or above 85% of ...