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  2. List of U.S. states by standard octane ratings - Wikipedia

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

    lower octane gas can be sold if labeled as "sub-standard" or "sub-regular" [11] South Dakota: 85/87 87/89 91 85 octane must be sold with a warning label displayed at the pump. [12] 85 and 86 octane can be sold as regular fuel only in the counties of Butte, Custer, Fall River, Harding, Lawrence, Meade, Oglala Lakota, Pennington, and Perkins.

  3. Renewable Fuel Standard (United States) - Wikipedia

    en.wikipedia.org/wiki/Renewable_Fuel_Standard...

    The amount of ethanol used in the United States is also limited by the number of Flex Fuel vehicles available which are capable of operating on ethanol blends as high as 85% (E85) and the relative pricing of E85 as compared to regular gasoline (E10). Other alternative fuels may have higher functional "blend walls".

  4. Fuel tax - Wikipedia

    en.wikipedia.org/wiki/Fuel_tax

    Today, fuel taxes in the United States vary by state. The United States federal excise tax on gasoline is 18.4 cents per US gallon (4.9 ¢/L) and 24.4 cents per US gallon (6.4 ¢/L) for diesel fuel. On average, as of July 2016, state and local taxes add 29.78 cents to gasoline and 29.81 cents to diesel for a total US average fuel tax of 48.18 ...

  5. Fuel taxes in the United States - Wikipedia

    en.wikipedia.org/.../Fuel_taxes_in_the_United_States

    The first federal gasoline tax in the United States was created on June 6, 1932, with the enactment of the Revenue Act of 1932, which taxed 1¢/gal (0.3¢/L). Since 1993, the US federal gasoline tax has been unchanged (and not adjusted for inflation of nearly 113 percent through 2023) at 18.4¢/gal (4.86¢/L).

  6. Where in the World Is Our Gasoline Disappearing to?

    www.aol.com/2013/04/09/where-in-the-world-is-our...

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  7. United States vehicle emission standards - Wikipedia

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

    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). In 1998 the regulation included engines under 37 kW and introduced ...

  8. Fill ‘er up! Oil countries predict an oversupply of gasoline ...

    www.aol.com/fill-er-oil-countries-predict...

    It comes as gas prices begin to decline once again across the US, bringing relief to drivers paying a little less to fill up their tanks. The national average for gas prices in the on Monday stood ...

  9. Petroleum in the United States - Wikipedia

    en.wikipedia.org/wiki/Petroleum_in_the_United_States

    The leading crude oil-producing areas in the United States in 2023 were Texas, followed by the offshore federal zone of the Gulf of Mexico, North Dakota and New Mexico. [2] The United States became the largest producer of crude oil of any nation in history in 2023. [3] Natural gas production reached record highs. [4]