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  2. List of gas station chains in North America - Wikipedia

    en.wikipedia.org/wiki/List_of_gas_station_chains...

    OLCO Petroleum Group – 319 stations in Ontario and Quebec; Petro-Canada – 1323 stations and 200 Petro-Pass stations across Canada; some acquired from BP (1983), Petrofina (1981) and Gulf Oil in the 1980s; Pioneer Petroleum – 130 stations in Ontario; 7-Eleven brand gasoline; Shell Canada – Canadian unit of Shell with 1800 stations across ...

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

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

    All states require gas pumps to be labeled with the correct octane level and nearly all states do regular testing to make sure gas stations are in compliance. A minimum 82 octane fuel is recommended for most vehicles produced since 1984. Older cars with carburetors could operate with lower octane fuel at higher elevations. Regardless of ...

  4. Surface energy - Wikipedia

    en.wikipedia.org/wiki/Surface_energy

    The surface energy of a liquid may be measured by stretching a liquid membrane (which increases the surface area and hence the surface energy). In that case, in order to increase the surface area of a mass of liquid by an amount, δA, a quantity of work, γ δA, is needed (where γ is the surface energy density of the liquid).

  5. List of power stations in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_power_stations_in...

    The following pages lists the power stations in the United States by type: List of largest power stations in the United States; Non-renewable energy. Coal-fired power stations; Natural gas-fired power stations; Nuclear power stations; Renewable energy. Geothermal power stations; Hydroelectric power stations; Solar power stations; Wind farms ...

  6. Energy in the United States - Wikipedia

    en.wikipedia.org/wiki/Energy_in_the_United_States

    US natural gas production, imports, and exports Natural gas production by field. Dry natural gas was 36% of production in 2021, making it the largest source of energy in the US. [22] It is also the largest electricity source, making up 38% of generation. [14] Natural gas surpassed coal for production in 2011 and for generation in 2016.

  7. List of largest power stations in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_largest_power...

    Map of all utility-scale power plants. This article lists the largest electricity generating stations in the United States in terms of installed electrical capacity. Non-renewable power stations are those that run on coal, fuel oils, nuclear, natural gas, oil shale, and peat, while renewable power stations run on fuel sources such as biomass, geothermal heat, hydro, solar energy, solar heat ...

  8. E85 in the United States - Wikipedia

    en.wikipedia.org/wiki/E85_in_the_United_States

    All data August 2014 from the Department of Energy, e85prices.com, [2] and E85refueling.com. [3] [4] [5] Links go to each state's list of stations; see notes below for caveats. For each state the total number of facilities is given. As of August 1, 2014, there are now 3,354 stations in the U.S. selling E85.

  9. Energy policy of the United States - Wikipedia

    en.wikipedia.org/wiki/Energy_policy_of_the...

    In 2018, US exports of coal, natural gas, crude oil and petroleum products exceeded imports, achieving a degree of energy independence for the first time in decades. [7] [8] [9] In the second half of 2019, the US was the world's top producer of oil and gas. [10] This energy surplus ended in 2020. [11] [12]