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  2. Barrel (unit) - Wikipedia

    en.wikipedia.org/wiki/Barrel_(unit)

    Barrel (unit) Ale casks at a brewery in the UK. These are firkins, each holding 9 imperial gallons (41 L) or a quarter of a UK beer barrel. A barrel is one of several units of volume applied in various contexts; there are dry barrels, fluid barrels (such as the U.K. beer barrel and U.S. beer barrel), oil barrels, and so forth.

  3. Gasoline gallon equivalent - Wikipedia

    en.wikipedia.org/wiki/Gasoline_gallon_equivalent

    Gasoline gallon equivalent (GGE) or gasoline-equivalent gallon (GEG) is the amount of an alternative fuel it takes to equal the energy content of one liquid gallon of gasoline. GGE allows consumers to compare the energy content of competing fuels against a commonly known fuel, namely gasoline. It is difficult to compare the cost of gasoline ...

  4. Miles per gallon gasoline equivalent - Wikipedia

    en.wikipedia.org/wiki/Miles_per_gallon_gasoline...

    (1) Conversion 1 gallon of gasoline=33.7 kW·h. (2) The 2014 i3 REx is classified by EPA as a series plug-in hybrid, while for CARB is a range-extended battery-electric vehicle (BEVx). The i3 REx is the most fuel economic EPA-certified current year vehicle with a gasoline engine with a combined gasoline/electricity rating of 88 mpg-e, but its ...

  5. Gallon - Wikipedia

    en.wikipedia.org/wiki/Gallon

    The corn or dry gallon is used (along with the dry quart and pint) in the United States for grain and other dry commodities. It is one-eighth of the (Winchester) bushel, originally defined as a cylindrical measure of ⁠18 1 2 ⁠ inches in diameter and 8 inches in depth, which made the bushel 8 in × (⁠9 1 4 ⁠ in)2 × π ≈ 2150.42017 ...

  6. Space Shuttle external tank - Wikipedia

    en.wikipedia.org/wiki/Space_Shuttle_external_tank

    The Space Shuttle external tank (ET) was the component of the Space Shuttle launch vehicle that contained the liquid hydrogen fuel and liquid oxygen oxidizer. During lift-off and ascent it supplied the fuel and oxidizer under pressure to the three RS-25 main engines in the orbiter. The ET was jettisoned just over 10 seconds after main engine ...

  7. The Cost To Fill Up Your Tank in the 1980s, ’90s ... - AOL

    www.aol.com/finance/cost-fill-tank-1980s-90s...

    These are the national average gas prices of the 1980s (per gallon) and how much it would have cost to fill up with a tank of gas at the time. 1980 — $1.19 ($4.54 in today’s dollars) or $17.85 ...

  8. Pound per square inch - Wikipedia

    en.wikipedia.org/wiki/Pound_per_square_inch

    The pound per square inch (abbreviation: psi) or, more accurately, pound-force per square inch (symbol: lbf/in2), [1] is a unit of measurement of pressure or of stress based on avoirdupois units. It is the pressure resulting from a force with magnitude of one pound-force applied to an area of one square inch. In SI units, 1 psi is approximately ...

  9. Barrel of oil equivalent - Wikipedia

    en.wikipedia.org/wiki/Barrel_of_oil_equivalent

    The barrel of oil equivalent (BOE) is a unit of energy based on the approximate energy released by burning one barrel (42 US gallons, 35 imp gal or about 159 litres) of crude oil. The BOE is used by oil and gas companies in their financial statements as a way of combining oil and natural gas reserves and production into a single measure ...