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  2. Gasoline - Wikipedia

    en.wikipedia.org/wiki/Gasoline

    The lower energy content of LPG by liquid volume in comparison to gasoline is due mainly to its lower density. This lower density is a property of the lower molecular weight of propane (LPG's chief component) compared to

  3. List of refrigerants - Wikipedia

    en.wikipedia.org/wiki/List_of_refrigerants

    Type ASHRAE number IUPAC chemical name Molecular formula CAS no/ blend name Atmospheric lifetime (years) Semi-empirical ODP (R-11 = 1) Net GWP 100-yr (R-744 = 1)

  4. Fracking - Wikipedia

    en.wikipedia.org/wiki/Fracking

    As of 2012, 2.5 million "frac jobs" had been performed worldwide on oil and gas wells, over one million of those within the U.S. [3] [4] Such treatment is generally necessary to achieve adequate flow rates in shale gas, tight gas, tight oil, and coal seam gas wells. [5]

  5. List of presidents of the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_Presidents_of_the...

    Since the office was established in 1789, 45 men have served in 46 presidencies. The first president, George Washington, won a unanimous vote of the Electoral College. [4] Grover Cleveland served two non-consecutive terms and is therefore counted as the 22nd and 24th president of the United States, giving rise to the discrepancy between the ...

  6. Noble gas - Wikipedia

    en.wikipedia.org/wiki/Noble_gas

    Noble gas is translated from the German noun Edelgas, first used in 1900 by Hugo Erdmann [5] to indicate their extremely low level of reactivity. The name makes an analogy to the term "noble metals", which also have low reactivity. The noble gases have also been referred to as inert gases, but this label is deprecated as many noble gas ...

  7. List of gairaigo and wasei-eigo terms - Wikipedia

    en.wikipedia.org/wiki/List_of_gairaigo_and_wasei...

    order + made bespoke (tailoring) English オーディエンス: ōdiensu: audience group of people who participate in a show English オードブル: ōdoburu: hors-d'œuvre: hors-d'œuvre: French オーエル: ōeru: O.L. (office lady) female office worker, usually in a clerical or support job English オフ: ofu: off

  8. United Parcel Service - Wikipedia

    en.wikipedia.org/wiki/United_Parcel_Service

    In May 2008, UPS placed an order for 200 hybrid electric vehicles (adding to the 50 it had at that point) and 300 compressed natural gas (which are 20% more fuel efficient, and add to the 800 it already has) vehicles from Daimler Trucks North America. [128] [129] [130] The company added 200 hybrid electric vehicles to its fleet in 2016. [131]

  9. Ammonia - Wikipedia

    en.wikipedia.org/wiki/Ammonia

    The hot gas has temperatures above 70 K, which was inferred from ammonia line ratios and appears to be closely associated with the innermost portions of the nuclear bar seen in CO. [189] NH 3 was also monitored by VLA toward a sample of four galactic ultracompact HII regions: G9.62+0.19, G10.47+0.03, G29.96-0.02, and G31.41+0.31.

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