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  • ...l. For example, the most efficient method for releasing energy from fossil fuels is by burning them in oxygen. In this process known as ''combustion'', fuel ...source of energy. However, it is economically practical to use only those fuels that contain large amounts of easily extractable energy. Luckily, there are
    4 KB (630 words) - 20:58, 22 August 2009
  • ...ery similar as fuels, so the differences between parts needed to burn both fuels are trivial, and interoperable systems are easily made. ...fficult to keep the fuel cold enough to maintain its liquid form. When the liquid hydrogen warms, it evaporates and the pressure in the fuel tank increases a
    8 KB (1,340 words) - 17:55, 31 March 2010
  • ...s for marine and power generation which can run on either fuel oils or gas fuels. ...''[[Magirus|Magirus Deutz]]'', but suffered from their continued use of a liquid free cooling system, with resulting misunderstanding.
    2 KB (395 words) - 23:17, 22 January 2007
  • ...y, alternatives such as [[biodiesel]] or biomass to liquid (BTL) or gas to liquid (GTL) diesel that are not derived from petroleum are being developed and ad ...forced oil refineries to dramatically reduce the level of sulfur in diesel fuels. In contrast, the United States has long had "dirtier" diesel, although mor
    11 KB (1,779 words) - 06:15, 2 November 2009
  • ...-ignition]], designed to run on petrol ([[gasoline]]) and similar volatile fuels. ...(to increase the surface area on the cylinders) and [[cylinder head]]; or liquid-cooled, by a water jacket and [[radiator]]. The [[antifreeze|coolant]] was
    4 KB (596 words) - 21:32, 8 October 2010
  • ...f petrol and some 40% cheaper than diesel. The recent rises in oil-derived fuels has sharply raised the difference. ...t autogas is currently excise-free, excise is to be imposed on all vehicle fuels that are not currently subject to excise, being added incrementally from 20
    25 KB (4,088 words) - 20:43, 22 August 2009
  • ...moved to centralized power plants, where the byproducts of burning fossil fuels can be better controlled. Hydrogen could also be produced from renewable e ...t price volatility to a lesser degree than would methods relying on fossil fuels; however, currently such production is not economically feasible.<ref> See
    23 KB (3,421 words) - 22:58, 21 August 2009
  • ...s, but that it has the same detonation resistance properties. Because some fuels are more knock-resistant than iso-octane, the definition has been extended ...se iso-octane is not the most knock-resistant substance available. Racing fuels, [[AvGas]], [[liquefied petroleum gas]] (LPG), and [[alcohol fuel]]s such a
    18 KB (2,775 words) - 01:08, 8 July 2010
  • ...1888 and the introduction of the [[carburettor]], allowing volatile liquid fuels to be used.
    6 KB (880 words) - 07:15, 19 February 2007
  • ...oleum gases without modifications except for the fuel delivery components. Liquid and gaseous [[biofuel]]s, such as [[Ethanol fuel|Ethanol]] can also be used ...work is a waste product and is removed from the engine either by an air or liquid cooling system.
    31 KB (4,688 words) - 09:27, 21 August 2010
  • ...tic alcohols (methanol, ethanol, propanol, and butanol) are of interest as fuels because they can be synthesized biologically, and they have characteristics Alcohol fuels are usually of biological rather than [[petroleum]] sources. When obtained
    21 KB (3,045 words) - 06:53, 26 May 2010
  • ...sually in the form of [[diesel]] or [[petrol]] ([[gasoline]]). The liquid fuels are usually converted into electricity by an [[electrical generator]] power ...per unit mass|energy]] and [[Specific power|power density]] than petroleum fuels. However, recent advances in battery efficiency, capacity, materials, safet
    15 KB (2,113 words) - 15:32, 28 July 2009
  • ...iesel fuel. The tanks are filled to no more than 80% capacity to allow for liquid expansion in high temperatures. ...ver, the same strategies used to ensure operability of conventional diesel fuels in wintertime will also work for biodiesel blends. These include the use of
    12 KB (1,707 words) - 16:25, 25 September 2009
  • ...recedented 300 hours, at a time when 50 hours endurance was acceptable for liquid-cooled engines. At the urging of the Army and Navy the Wright Aeronautical ...others; the Merlin was also built in the US as the Packard V-1650. By 1938 liquid-cooled inline aircraft engines had been successfully developed in the US by
    17 KB (2,525 words) - 16:13, 25 December 2010
  • ...leum'' &ndash; oil ) or '''crude oil''' is a thick, dark brown or greenish liquid. ...Concentration of hydrocarbons in a trap forms an oil field, from which the liquid can be extracted by drilling and pumping.
    35 KB (5,561 words) - 04:29, 26 May 2010
  • ...ve shaft either. Like all steam vehicles it could burn a variety of liquid fuels with a minimum of modification and was a noticeably clean running vehicle, ...id=SgtsAAAAEBAJ&dq=doble Doble patent for "Method of and Means for Burning Liquid Fuel"]
    16 KB (2,583 words) - 06:59, 19 February 2007
  • :*ability to accommodate alternative fuels The [[fuel injector]] acts as the fuel-dispensing nozzle. It injects liquid fuel directly into the engine's air stream. In almost all cases this requir
    33 KB (4,922 words) - 12:15, 4 June 2009
  • ...ugh the top. This had the advantage of never "flooding" the engine, as any liquid fuel droplets would fall out of the carburetor instead of into the [[intake ...the pressure. The [[throttle]] or accelerator does not control the flow of liquid fuel. Instead, it controls the amount of air that flows through the carbure
    26 KB (4,156 words) - 02:12, 15 December 2008
  • Gas turbines are also used in many liquid propellant rockets, the gas turbines are used to power a turbopump to permi ...as, [[propane]], [[Diesel fuel|diesel]], and kerosene as well as renewable fuels such as [[E85]], [[biodiesel]] and biogas.
    31 KB (4,779 words) - 13:07, 29 October 2010
  • ...lubricating film between moving parts is its viscosity. The viscosity of a liquid can be thought of as its "thickness" or a quantity of resistance to flow. T ...ade, in significant quantities as replacements for mineral lubricants (and fuels) by German scientists in the late 1930s and early 1940s because of their la
    42 KB (6,527 words) - 06:09, 25 May 2010

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