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  2. California Smog Check Program - Wikipedia

    en.wikipedia.org/wiki/California_Smog_Check_Program

    In 2004, California approved the world's most stringent standards to reduce auto emissions, and the auto industry threatened to challenge the regulations in court. The new regulations required car makers to cut exhaust from cars and light trucks by 25% and from larger trucks and SUVs by 18%, standards that must be met by 2016. [28]

  3. United States vehicle emission standards - Wikipedia

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

    The Clean Air Act of 1963 (CAA) was passed as an extension of the Air Pollution Control Act of 1955, encouraging the federal government via the United States Public Health Service under the then-Department of Health, Education, and Welfare (HEW) to encourage research and development towards reducing pollution and working with states to establish their own emission reduction programs.

  4. 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 ...

  5. California withdraws clean truck EPA waiver request ahead of ...

    www.aol.com/news/california-withdraws-clean...

    Among other things, it would have required seaport semi-truck operators to have zero emissions by 2035, due to the heavy impact of diesel truck pollution on people living near cargo corridors.

  6. California adopts tough standards for trucks, lawn equipment

    www.aol.com/news/california-eyes-tough-standards...

    Forget speeding tickets — California truck drivers will soon have to watch out for pollution tickets. State regulators on Thursday voted to crack down on heavy duty trucks weighing more than ...

  7. 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 ...

  8. Vehicle emissions control - Wikipedia

    en.wikipedia.org/wiki/Vehicle_emissions_control

    California vehicles with 2.5, 2.8 and 3.5 liter engines will have a CLCC system. In 1980 model year, vehicles sold in California and 3.8 and 4.3 liter engines sold federally will have CLCC, and finally in the 1981 model year all passenger cars will have the system. California light and medium duty trucks may also use the c-4 system.

  9. Regulation of greenhouse gases under the Clean Air Act

    en.wikipedia.org/wiki/Regulation_of_greenhouse...

    On September 24, 2004, the California Air Resources Board (CARB) adopted emissions standards for GHGs from new passenger cars, light-duty trucks and medium-duty vehicles. Not unlike the LDV Rule, California's regulations establish standards for CO 2 equivalent emissions from two classes of vehicles on a gram per mile basis. Also like those in ...