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  2. Liquefied petroleum gas - Wikipedia

    en.wikipedia.org/wiki/Liquefied_petroleum_gas

    LPG is composed mainly of propane and butane, while natural gas is composed of the lighter methane and ethane. LPG, vaporised and at atmospheric pressure, has a higher calorific value (46 MJ/m 3 equivalent to 12.8 kWh/m 3 ) than natural gas (methane) (38 MJ/m 3 equivalent to 10.6 kWh/m 3 ), which means that LPG cannot simply be substituted for ...

  3. Propane - Wikipedia

    en.wikipedia.org/wiki/Propane

    In Mexico, for example, gas labeled "LPG" may consist of 60% propane and 40% butane. "The exact proportion of this combination varies by country, depending on international prices, on the availability of components and, especially, on the climatic conditions that favor LPG with higher butane content in warmer regions and propane in cold areas ...

  4. Liquid fuel - Wikipedia

    en.wikipedia.org/wiki/Liquid_fuel

    LP gas is a mixture of propane and butane, both of which are easily compressible gases under standard atmospheric conditions. It offers many of the advantages of compressed natural gas (CNG), but does not burn as cleanly, is denser than air and is much more easily compressed.

  5. Autogas - Wikipedia

    en.wikipedia.org/wiki/Autogas

    Autogas or LPG is liquefied petroleum gas (LPG) used as a fuel in internal combustion engines in vehicles as well as in stationary applications such as generators. It is a mixture of propane and butane. [1] Autogas is widely used as a "green" fuel, as its use reduces CO 2 exhaust emissions by around 15% compared to petrol. [2]

  6. Butane - Wikipedia

    en.wikipedia.org/wiki/Butane

    [25] n-Butane has a relatively high research octane number (RON) and motor octane number (MON), which are 93 and 92 respectively. [26] When blended with propane and other hydrocarbons, the mixture may be referred to commercially as liquefied petroleum gas (LPG).

  7. Fuel gas - Wikipedia

    en.wikipedia.org/wiki/Fuel_gas

    Fuel gas is contrasted with liquid fuels and solid fuels, although some fuel gases are liquefied for storage or transport (for example, autogas and liquified petroleum gas). While their gaseous nature has advantages, avoiding the difficulty of transporting solid fuel and the dangers of spillage inherent in liquid fuels, it also has limitations.