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  2. 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]

  3. 2008 California Statewide Truck and Bus Rule - Wikipedia

    en.wikipedia.org/wiki/2008_California_Statewide...

    The Truck and Bus Rule is considered by the Air Resources Board and other organizations such as the Union of Concerned Scientists and the Environmental Defense Fund as a win-win for the State of California: reducing global greenhouse gas emissions, reducing fuel use, providing fuel and operating cost-savings for truck owners, and reducing smog-forming pollution, in addition to providing human ...

  4. 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]

  5. Bosch agrees to pay $25 million to settle California diesel ...

    www.aol.com/news/bosch-agrees-pay-25-million...

    (Reuters) -German auto supplier Bosch has agreed pay $25 million to resolve California's probe into the company's role in the diesel emissions scandals at Volkswagen and Fiat Chrysler, the company ...

  6. California OKs landmark ban on sales of diesel big-rig trucks ...

    www.aol.com/news/death-knell-diesel-california...

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  7. California Will Not Allow Heavy-Duty Diesel Truck Sales after ...

    www.aol.com/california-not-allow-heavy-duty...

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  8. United States vehicle emission standards - Wikipedia

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

    more than 2 model years old to 24 model years old; motorcycles, diesel-powered, and automobiles 25 model years or older exempt from emission testing – includes motor vehicles registered as an Antique or Classic under Texas law (either displaying state-mandated vanity license plate or vintage-era license plates (this also includes past general ...

  9. California voted to ban new diesel trucks at ports. Why did L ...

    www.aol.com/news/california-voted-ban-diesel...

    While California waits for the EPA to act, more than 1,200 trucks have obtained new registrations to move cargo at the ports of Los Angeles and Long Beach this year; 90% run on diesel.