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  2. Central heating - Wikipedia

    en.wikipedia.org/wiki/Central_heating

    Institutional heating systems (office buildings or schools, for example) can use low-grade, inexpensive bunker fuel to run their heating plants, but capital cost is high compared to more easily managed liquid fuels. Natural gas is a widespread heating fuel in North America and northern Europe. Gas burners are automatically controlled and ...

  3. Methanation - Wikipedia

    en.wikipedia.org/wiki/Methanation

    Methanation is an important step in the creation of synthetic or substitute natural gas (SNG). [7] Coal or wood undergo gasification which creates a producer gas that must undergo methanation in order to produce a usable gas that just needs to undergo a final purification step.

  4. Annual fuel utilization efficiency - Wikipedia

    en.wikipedia.org/wiki/Annual_fuel_utilization...

    The annual fuel utilization efficiency (AFUE; pronounced 'A'-'Few' or 'A'-'F'-'U'-'E') is a thermal efficiency measure of space-heating furnaces and boilers.The AFUE differs from the true 'thermal efficiency' in that it is not a steady-state, peak measure of conversion efficiency, but instead attempts to represent the actual, season-long, average efficiency of that piece of equipment ...

  5. Natural gas has never been this upside-down as negative ... - AOL

    www.aol.com/finance/natural-gas-never-upside...

    That's what has been happening more and more frequently in West Texas, where the closing price of natural gas has been negative for 57 trading days this year through the end of July, the New York ...

  6. LO-NOx burner - Wikipedia

    en.wikipedia.org/wiki/LO-NOx_burner

    In the early 1990s numerous countries were in the process of substituting oil and coal with natural gas for their energy and electric power needs. To maintain this advantage as an "environmentally friendly" fuel, Australian gas utilities are effectively reducing gas losses ( methane emissions ) in their deliveries, and impose strict codes on ...

  7. Boiler - Wikipedia

    en.wikipedia.org/wiki/Boiler

    A boiler is a closed vessel in which fluid (generally water) is heated.The fluid does not necessarily boil.The heated or vaporized fluid exits the boiler for use in various processes or heating applications, [1] [page needed] [2] [page needed] including water heating, central heating, boiler-based power generation, cooking, and sanitation.

  8. Energy in Texas - Wikipedia

    en.wikipedia.org/wiki/Energy_in_Texas

    The known petroleum deposits of Texas are about 8 billion barrels (1.3 × 10 9 m 3), which makes up approximately one-third of the known U.S. supply. Texas has 4.6 billion barrels (730,000,000 m 3) of proven crude oil reserves. [15] As wells are depleted in the eastern portions of the state, drilling in state has moved westward. [16]

  9. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

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