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  2. Vehicle inspection in the United States - Wikipedia

    en.wikipedia.org/wiki/Vehicle_inspection_in_the...

    Vehicle emissions inspection station in Wisconsin. Arizona – biennially, in Phoenix and Tucson metro areas only, depending on age and type of vehicle. [28]California – biennially for all vehicles from out-of-state, regardless of age; and all vehicles made after 1975 which are more than six years old in all or some zip codes in 41 out of 58 counties.

  3. Emission standard - Wikipedia

    en.wikipedia.org/wiki/Emission_standard

    Arizona emissions testing locations are located primarily in the two largest metropolitan areas (Phoenix and Tucson). People outside of these areas are not required to submit their vehicle for testing as these areas are the only ones that have failed the air quality tests by the state.

  4. Climate change in Arizona - Wikipedia

    en.wikipedia.org/wiki/Climate_change_in_Arizona

    By 2040 to 2060, six of Arizona`s 15 counties--Mojave, Yuma, Maricopa, Pinal, Graham, and Cochise--may become uninhabitable for humans, because of accelerating climate change. This was the cautionary warning made by a December 2020 study released by ProPublica and Rhodium Group.

  5. Scottsdale, AZ Weather - Hourly Forecasts and Local ... - AOL

    www.aol.com/weather/forecast/us/scottsdale-12794509

    Get the Scottsdale, AZ local weather forecast by the hour and the next 10 days. ... AccuWeather 2 hours ago 'Whiteout conditions expected' across the Northeast early week.

  6. United States vehicle emission standards - Wikipedia

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

    Emissions from all non-road engines are regulated by categories. [49] In the United States, the emission standards for non-road diesel engines are published in the US Code of Federal Regulations, Title 40, Part 89 (40 CFR Part 89). Tier 1–3 Standards were adopted in 1994 and was phased in between 1996 and 2000 for engines over 37 kW (50 hp ...

  7. Climate of Phoenix - Wikipedia

    en.wikipedia.org/wiki/Climate_of_Phoenix

    Vehicle emissions are cited as precursors to ozone formation. Phoenix also has high levels of particulate pollution; although, cities in California lead the nation in this hazard. [ 9 ] PM2.5 particulate matter, which is a component of diesel engine exhaust, and larger PM10 particles, which can come from dust, can both reach concerning levels ...

  8. List of U.S. states and territories by carbon dioxide emissions

    en.wikipedia.org/wiki/List_of_U.S._states_and...

    This is a list of U.S. states and territories by carbon dioxide emissions for energy use, [1] [2] as well as per capita [3] [4] and by area. [5] The state with the highest total carbon dioxide emissions is Texas and the lowest is Vermont. The state with the highest per capita carbon dioxide emissions is Wyoming and the lowest is New York.

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!