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  2. California Smog Check Program - Wikipedia

    en.wikipedia.org/wiki/California_Smog_Check_Program

    The program included a biennial and change of ownership testing, "BAR 84" emissions test plus a visual and functional inspection of various emission control components, a $50 repair cost limit (unless emission device tampering was noted), licensing shops to perform smog checks and mechanic certification for emissions repair competence. [18]

  3. What do recent Supreme Court actions mean for California auto ...

    www.aol.com/news/recent-supreme-court-actions...

    California policymakers and environmentalists view recent Supreme Court actions as a small victory for clean air, but worry about future legal challenges.

  4. US Supreme Court to hear dispute over California tailpipe ...

    www.aol.com/news/us-supreme-court-hear-dispute...

    The EPA's action in March 2022 reinstated a waiver for California to set its own tailpipe emissions limits and zero-emission vehicle mandate through 2025, reversing a 2019 decision under ...

  5. Supreme Court declines to hear challenge to California’s ...

    www.aol.com/news/supreme-court-declines-hear...

    In contrast to California, the Biden EPA has put in more forgiving vehicle emissions standards, allowing plug-in hybrids — vehicles that combine gas engines and EV-like batteries — to play a ...

  6. On-board diagnostics - Wikipedia

    en.wikipedia.org/wiki/On-board_diagnostics

    The hope was that by forcing annual emissions testing for California starting in 1988, [18] and denying registration to vehicles that did not pass, drivers would tend to purchase vehicles that would more reliably pass the test. OBD-I was largely unsuccessful, as the means of reporting emissions-specific diagnostic information was not standardized.

  7. Court upholds California's authority to set nation-leading ...

    www.aol.com/news/court-upholds-californias...

    California can continue to set its own nation-leading vehicle emissions standards, a federal court ruled Tuesday — two years after the Biden administration restored the state’s authority to do ...

  8. Diesel emissions scandal - Wikipedia

    en.wikipedia.org/wiki/Diesel_emissions_scandal

    Early in the 1950s scientists discovered that vehicle emissions were a significant factor that had been causing the air quality to deteriorate. [7] This led to the introduction of vehicle emissions standards in California in 1966, furthermore due to the seriousness of the problem, in 1970 the Clean Air Act was introduced in order to regulate these standards all over the United States. [7]

  9. Automakers back U.S. restoring California emissions authority

    www.aol.com/news/automakers-back-u-restoring...

    WASHINGTON (Reuters) -Five automakers including Ford Motor Co, Volkswagen AG and Honda Motor Co on Tuesday backed efforts by President Joe Biden's administration to restore California's ability to ...