When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  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. 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).

  4. United States vehicle emission standards - Wikipedia

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

    Only state which still conduct emission testing dating back to the 1967 model year unlike other states using EPA classification (a few still conduct test for 1968–present (1968+ testing is for jurisdictions using defined EPA standards for vehicle classification since the '68 model year and beyond automobiles must have an exhaust emission ...

  5. Not-To-Exceed - Wikipedia

    en.wikipedia.org/wiki/Not-To-Exceed

    Basically, the HDIUT is an industry agreed to manufacturer run, in-use, on-road testing program. It builds upon the original NTE standard. It is designed to focus on compliance in the real world, and relies on emissions testing, utilizing Portable Emissions Measurement Systems (PEMS) with NOx, HC, CO and PM being the pollutants to be measured. [11]

  6. Adams County, Colorado - Wikipedia

    en.wikipedia.org/wiki/Adams_County,_Colorado

    Adams County is a county located in the U.S. state of Colorado.As of the 2020 census, the population was 519,572. [2] The county seat is Brighton, and the largest city is Thornton. [3]

  7. Transportation Research Center - Wikipedia

    en.wikipedia.org/wiki/Transportation_Research_Center

    The test track features level 2-mile (3.2 km) straightaways. Vehicle Dynamics Area: 50-acre (20-hectare) asphalt pad, with an acceleration loop at each end, is a multipurpose facility for vehicle dynamic testing, durability testing, brake testing, performance testing, product demonstrations, and driver

  8. Emission standard - Wikipedia

    en.wikipedia.org/wiki/Emission_standard

    The 1978 limits for mean emissions during a "Hot Start Test" of CO, hydrocarbons, and NO x were 2.1 grams per kilometre (3.38 g/mi) of CO, 0.25 grams per kilometre (0.40 g/mi) of HC, and 0.25 grams per kilometre (0.40 g/mi) of NO x respectively. [40]

  9. Thornton, Colorado - Wikipedia

    en.wikipedia.org/wiki/Thornton,_Colorado

    Thornton is a home rule municipality located in Adams and Weld counties, Colorado, United States. [1] The city population was 141,867, all in Adams County, at the 2020 United States Census, an increase of +19.44% since the 2010 United States census. [4]