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  2. Natural gas vehicle - Wikipedia

    en.wikipedia.org/wiki/Natural_gas_vehicle

    A natural gas vehicle (NGV) utilizes compressed natural gas (CNG) or liquefied natural gas (LNG) as an alternative fuel source. Distinguished from autogas vehicles fueled by liquefied petroleum gas (LPG), NGVs rely on methane combustion, resulting in cleaner emissions due to the removal of contaminants from the natural gas source.

  3. Exhaust gas - Wikipedia

    en.wikipedia.org/wiki/Exhaust_gas

    Emission standards focus on reducing pollutants contained in the exhaust gases from vehicles as well as from industrial flue gas stacks and other air pollution exhaust sources in various large-scale industrial facilities such as petroleum refineries, natural gas processing plants, petrochemical plants and chemical production plants.

  4. HCNG - Wikipedia

    en.wikipedia.org/wiki/HCNG

    HCNG -CNG emission. HCNG or H2CNG (hydrogen compressed natural gas) is a mixture of compressed natural gas and 4–9 percent hydrogen by energy. [1] It may be used as a fuel gas for internal combustion engines [2] [3] [4] and home appliances. (regarding the acronyms in the above emissions chart: AVL = Average Levels? CNG = Compressed Natural Gas

  5. Is This Already the End for Natural Gas Vehicles? - AOL

    www.aol.com/2014/02/15/is-this-already-the-end...

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  6. Will Natural Gas Vehicles Ever Catch On? - AOL

    www.aol.com/2012/07/27/will-natural-gas-vehicles...

    Today, analyst Joel South will discuss Wednesday's Senate committee hearing on natural gas and transportation as well as obstacles that need to be overcome. Dr. Michael Gallagher, advisor and ...

  7. Alternative fuel vehicle - Wikipedia

    en.wikipedia.org/wiki/Alternative_fuel_vehicle

    Dual fuel vehicle is referred as the vehicle using two types of fuel in the same time (can be gas + liquid, gas + gas, liquid + liquid) with different fuel tank. Diesel-CNG dual fuel is a system using two type of fuel which are diesel and compressed natural gas (CNG) at the same time.