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  2. Climate change in Colorado - Wikipedia

    en.wikipedia.org/wiki/Climate_change_in_Colorado

    Colorado's agricultural sector "accounts for 9% of Colorado’s greenhouse gas emissions, or approximately 11.4 million metric tons of CO 2." [11] Huerfano River Wind Farm, Huerfano County. Implementing regenerative agricultural practices in the state has the potential to remove 23.15 billion tons of CO 2 from the atmosphere by 2050.

  3. List of Superfund sites in Colorado - Wikipedia

    en.wikipedia.org/wiki/List_of_Superfund_sites_in...

    This is a list of Superfund sites in the U.S. State of Colorado designated under the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 (CERCLA) environmental law. The CERCLA federal law authorized the United States Environmental Protection Agency (EPA) to create a list of polluted locations requiring a long-term ...

  4. Transportation Research Center - Wikipedia

    en.wikipedia.org/wiki/Transportation_Research_Center

    Coordinates: 40.3°N 83.55°W. The Transportation Research Center (TRC) is North America's largest multi-user automotive proving ground. It is operated by TRC Inc. The center occupies 4,500 acres in East Liberty, Ohio, about 40 miles northwest of Columbus, Ohio. These 4,500 acres are split between the main TRC property and a rural road/ATV ...

  5. Treasure Valley vehicle emissions tests are going away. But ...

    www.aol.com/treasure-valley-vehicle-emissions...

    What Ada County requires on emissions testing. Emissions testing has been federally mandated in northern Ada County since the 1980s, when air quality in the region violated federal standards.

  6. United States vehicle emission standards - Wikipedia

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

    Two sets, or tiers, of emission standards for light-duty vehicles in the United States were defined as a result of the Clean Air Act Amendments of 1990. The Tier I standard was adopted in 1991 and was phased in from 1994 to 1997. Tier II standards were phased in from 2004 to 2009. Within the Tier II ranking, there is a subranking ranging from ...

  7. Vehicle inspection in the United States - Wikipedia

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

    Ohio does not charge a fee for emission testing, due to Ohio's tobacco settlement. Oregon – required only (1975 and newer) in the Portland and Medford metro areas [44] Pennsylvania [16] – annually for most vehicles under 9,000 pounds (4,100 kg) GVW. Required in 25 (out of 67) counties. Diesel-powered vehicles are exempt from emissions ...

  8. Idaho wants to end vehicle emissions testing. How will that ...

    www.aol.com/news/idaho-wants-end-vehicle...

    Ian Max Stevenson, Rachel Spacek. June 30, 2022 at 3:00 AM. After years of compliance, the Idaho Department of Environmental Quality wants to get rid of Ada County’s emissions testing program ...

  9. 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.