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  2. Coal - Wikipedia

    en.wikipedia.org/wiki/Coal

    Coal is a type of fossil fuel, formed when dead plant matter decays into peat which is converted into coal by the heat and pressure of deep burial over millions of years. [2] Vast deposits of coal originate in former wetlands called coal forests that covered much of the Earth's tropical land areas during the late Carboniferous ( Pennsylvanian ...

  3. Direct carbon fuel cell - Wikipedia

    en.wikipedia.org/wiki/Direct_carbon_fuel_cell

    A Direct Carbon Fuel Cell (DCFC) is a fuel cell that uses a carbon rich material as a fuel such as bio-mass [1] or coal. [2] The cell produces energy by combining carbon and oxygen, which releases carbon dioxide as a by-product. [3] It is also called coal fuel cells (CFCs), carbon-air fuel cells (CAFCs), direct carbon/coal fuel cells (DCFCs ...

  4. Carbon-based fuel - Wikipedia

    en.wikipedia.org/wiki/Carbon-based_fuel

    Carbon-based fuel is any fuel principally from the oxidation or burning of carbon.Carbon-based fuels are of two main kinds, biofuels and fossil fuels.Whereas biofuels are derived from recent-growth organic matter [1] and are typically harvested, as with logging of forests and cutting of corn, fossil fuels are of prehistoric origin [2] and are extracted from the ground, the principal fossil ...

  5. Bergius process - Wikipedia

    en.wikipedia.org/wiki/Bergius_process

    A typical hydrogen demand is ~80 kg [citation needed] hydrogen per ton of dry, ash-free coal. Generally, this process is similar to hydrogenation. The output is at three levels: heavy oil, middle oil, gasoline. The middle oil is hydrogenated in order to get more gasoline and the heavy oil is mixed with the coal again and the process restarts.

  6. Non-renewable resource - Wikipedia

    en.wikipedia.org/wiki/Non-renewable_resource

    A coal mine in Wyoming, United States. Coal, produced over millions of years, is a finite and non-renewable resource on a human time scale.. A non-renewable resource (also called a finite resource) is a natural resource that cannot be readily replaced by natural means at a pace quick enough to keep up with consumption. [1]

  7. 4 of the Top Prescription Weight Loss Pills & How They Work - AOL

    www.aol.com/4-top-prescription-weight-loss...

    Top Prescription Weight Loss Pills. Anti-obesity medications (AOMs) date back to the 1940s — well before modern regulations from the FDA (U.S. Food and Drug Administration) (FDA) were in place ...

  8. Template:Coal - Wikipedia

    en.wikipedia.org/wiki/Template:Coal

    This template's initial visibility currently defaults to autocollapse, meaning that if there is another collapsible item on the page (a navbox, sidebar, or table with the collapsible attribute), it is hidden apart from its title bar; if not, it is fully visible. To change this template's initial visibility, the |state= parameter may be used:

  9. Ranking the best college football quarterbacks in the ...

    www.aol.com/ranking-best-college-football...

    Half of the teams in this year’s College Football Playoff are starting a transfer quarterback, including both teams in Friday night’s playoff opener between Indiana and Notre Dame.. The ...