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  2. 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 ...

  3. Health and environmental impact of transport - Wikipedia

    en.wikipedia.org/wiki/Health_and_environmental...

    A European study of nearly 2000 participants showed that an average person cycling 1 trip/day more and driving 1 trip/day less for 200 days a year would decrease mobility-related lifecycle CO 2 emissions by about 0.5 tonnes over a year, representing a substantial share of average per capita CO 2 emissions from transport (which are about 1.5 to ...

  4. Emission standard - Wikipedia

    en.wikipedia.org/wiki/Emission_standard

    Special vehicles (based on a cargo truck or bus): 10 years; Diesel passenger cars: 9 years; Furthermore, the regulation allows fulfillment of its requirements to be postponed by an additional 0.5–2.5 years, depending on the age of the vehicle. This delay was introduced in part to harmonize the NO x and PM Law with the Tokyo diesel retrofit ...

  5. Effects of cars - Wikipedia

    en.wikipedia.org/wiki/Effects_of_cars

    About 16% of manmade carbon dioxide is from road transport, [17] mostly passenger vehicles. [18] Gasoline cars with less than two passengers produce more carbon dioxide per passenger kilometer than any other form of land transport. [19] The changing speed of a vehicle is a factor when considering the measurement of greenhouse gas emissions ...

  6. FTP-75 - Wikipedia

    en.wikipedia.org/wiki/FTP-75

    The Urban Dynamometer Driving Schedule is a mandated dynamometer test on tailpipe emissions of a car that represents city driving conditions. It is defined in 40 CFR 86.I . [ 2 ] [ 3 ]

  7. European emission standards - Wikipedia

    en.wikipedia.org/wiki/European_emission_standards

    [66] [68] The 2019 Regulation set new emission targets relative to a 2021 baseline, with a reduction of the average CO 2 emissions from new cars by 15% in 2025, and by 37.5% in 2030. For light-commercial vehicles the new targets are a 15% reduction for 2025 and a 31% reduction for 2030. [67] [69] Specific emissions targets for passenger cars

  8. ChatGPT produces the same amount of CO2 emissions as ... - AOL

    www.aol.com/finance/chatgpt-produces-same-amount...

    Each month, the AI chatbot produces more than 260,930 kilograms of CO2. ChatGPT produces the same amount of CO2 emissions as 260 flights from New York City to London each month, study finds Skip ...

  9. Vehicle emissions control - Wikipedia

    en.wikipedia.org/wiki/Vehicle_emissions_control

    The primary emissions studied include hydrocarbons, volatile organic compounds, carbon monoxide, carbon dioxide, nitrogen oxides, particulate matter, and sulfur oxides. Starting in the 1950s and 1960s, various regulatory agencies were formed with a primary focus on studying the vehicle emissions and their effects on human health and the ...