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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. California Smog Check Program - Wikipedia

    en.wikipedia.org/wiki/California_Smog_Check_Program

    The American flag stands against the backdrop of a smoggy Los Angeles in 1972. The California Smog Check Program is an attempt to reduce smog in California. The California Smog Check Program requires vehicles that were manufactured in 1976 or later to participate in the biennial (every two years) smog check program in participating counties. [1]

  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. Smog check cheaters busted, feds say; California ring ... - AOL

    www.aol.com/news/smog-check-cheaters-busted-feds...

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  6. California Bureau of Automotive Repair - Wikipedia

    en.wikipedia.org/wiki/California_Bureau_of...

    Licenses Smog Check stations, technicians, and inspectors. Licenses brake and lamp stations and adjusters. Mediates automotive repair complaints, saving California consumers millions of dollars each year in the form of direct refunds, rework, and bill adjustments. Investigates and takes disciplinary action against licensees who violate the law.

  7. 10 Best Free VIN Check Sites To Use Before Buying a Car - AOL

    www.aol.com/finance/10-best-free-vin-check...

    10 Best Free VIN Check Sites. Here is a quick look at ten of the best free VIN check sites. National Insurance Crime Bureau . iSeeCars. CARFAX. Vehicle History. VINFreeCheck. AutoCheck. EpicVIN ...

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

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

    A combination of the testing requirements and advances in vehicle technology have caused the improvement, said Patrick Bageant, a Boise City Council member and a member of the region’s Air ...

  9. OBD-II PIDs - Wikipedia

    en.wikipedia.org/wiki/OBD-II_PIDs

    OBD-II PIDs (On-board diagnostics Parameter IDs) are codes used to request data from a vehicle, used as a diagnostic tool.. SAE standard J1979 defines many OBD-II PIDs. All on-road vehicles and trucks sold in North America are required to support a subset of these codes, primarily for state mandated emissions inspections.