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...

    Vehicle emissions inspection station in Wisconsin. Arizona – biennially, in Phoenix and Tucson metro areas only, depending on age and type of vehicle. [28]California – biennially for all vehicles from out-of-state, regardless of age; and all vehicles made after 1975 which are more than six years old in all or some zip codes in 41 out of 58 counties.

  3. Portable emissions measurement system - Wikipedia

    en.wikipedia.org/wiki/Portable_emissions...

    A portable emissions measurement system (PEMS) is a vehicle emissions testing device that is small and light enough to be carried inside or moved with a motor vehicle that is being driven during testing, rather than on the stationary rollers of a dynamometer that only simulates real-world driving. Early examples of mobile vehicle emissions ...

  4. United States vehicle emission standards - Wikipedia

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

    Two sets, or tiers, of emission standards for light-duty vehicles in the United States were defined as a result of the Clean Air Act Amendments of 1990. The Tier I standard was adopted in 1991 and was phased in from 1994 to 1997. Tier II standards were phased in from 2004 to 2009. Within the Tier II ranking, there is a subranking ranging from ...

  5. What Texas drivers need to know about vehicle safety inspections

    www.aol.com/news/texas-drivers-know-vehicle...

    Katie Pratt. September 12, 2024 at 11:47 PM. AUSTIN, Texas - State vehicle safety inspections will no longer be required in Texas once House Bill 3297 goes into effect on January 1, 2025. Bruce ...

  6. Volkswagen emissions scandal - Wikipedia

    en.wikipedia.org/wiki/Volkswagen_emissions_scandal

    The Washington Post also reported that in the late 1990s, EPA engineers at Virginia Testing Laboratory had built a system called ROVER, designed to test a car's emissions on the road. The project was shut down in 2001, despite preliminary tests indicating gaps between emissions from lab tests and real world tests of about 10 to 20 percent.

  7. Vehicle inspection - Wikipedia

    en.wikipedia.org/wiki/Vehicle_inspection

    Vehicle inspection is a procedure mandated by national or subnational governments in many countries, in which a vehicle is inspected to ensure that it conforms to regulations governing safety, emissions, or both. Inspection can be required at various times, e.g., periodically or on the transfer of title to a vehicle.

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

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

    Ian Max Stevenson, Rachel Spacek. June 30, 2022 at 3:00 AM. After years of compliance, the Idaho Department of Environmental Quality wants to get rid of Ada County’s emissions testing program ...

  9. North Carolina Safety and Emission Vehicle Inspection

    en.wikipedia.org/wiki/North_Carolina_Safety_and...

    In addition, any vehicle in one of the 48 Safety and Emission counties that has a Gross Vehicle Weight Rating (GVWR) greater than 8,500 pounds only requires a Safety inspection. [ 2 ] As of April 1, 2015 North Carolina General Statute 20-183.2 exempts certain vehicles within the most recent three model years, and having fewer than 70,000 miles ...