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  2. 2008 California Statewide Truck and Bus Rule - Wikipedia

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

    Two years later, in September 2000, the Air Resources Board adopted the Risk Reduction Plan to Reduce Particulate Matter Emissions from Diesel-Fueled Engines and Vehicles which committed to establish retrofit requirements for in-use diesel vehicles to reduce diesel particulate matter 75 percent by 2010 and 85 percent by 2020. [4]

  3. 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 ...

  4. 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]

  5. California rule sets emission requirements but doesn't ban RV ...

    www.aol.com/california-rule-sets-emission...

    The rule requires 5-9% of medium- and heavy-duty vehicle sales to be zero-emission vehicles by the end of model year 2024, depending on the type of truck category, the site says. This range is ...

  6. California drops zero-emission truck rules after inaction by ...

    www.aol.com/news/california-drops-zero-emission...

    That means the far-reaching regulations issued by the California Air Resources Board in 2022 to ban new diesel truck sales by 2036 and force fleet owners to take them off the road by 2042 won't be ...

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

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

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  8. California pulls back EPA requests for approval to phase out ...

    lite.aol.com/news/science/story/0001/20250114/77...

    SACRAMENTO, Calif. (AP) — California withdrew requests Tuesday for the federal government to allow the state to enforce rules limiting emissions from diesel-powered trains and big rigs in anticipation of the Trump administration rejecting them. The move comes days before President-elect Donald Trump's inauguration. One of the rules, which the ...

  9. Innovative Clean Transit rule - Wikipedia

    en.wikipedia.org/wiki/Innovative_Clean_Transit_rule

    Individual transit agencies have varying requirements under the rule, depending on their size, but by the year 2029, all new transit bus purchases must by zero-emissions buses. [1] CARB estimated the rule would reduce greenhouse gas emissions by 19 million metric tons, the equivalent of taking four million cars off the road. [8] [10]