Technical overview of compressed natural gas (CNG) as a transportation fuel

Muhammad Imran Khan, Tabassum Yasmin and Abdul Shakoor

Renewable and Sustainable Energy Reviews, 2015, vol. 51, issue C, 785-797

Abstract: Increasing urbanization and industrialization have led to a phenomenal growth in transportation demand worldwide, coupled with a concentration of vehicles in metropolitan cities. With regard to increasingly stringent emission legislation natural gas is gaining interest as a transportation fuel with worldwide over 19 million natural gas vehicles in operation. This paper presents the worldwide background, prospects and challenges of natural gas fuel and natural gas fueled vehicles along with environmental and economic aspects of compressed natural gas as a transformation fuel. Technical aspects of compressed natural gas properties, storage, safety problems and its effect on engine performance, efficiency, emissions and barriers to natural gas vehicles adaptation are discussed in detail. The main indicators selected for the comparative assessment of natural gas as vehicular fuel are: economic, emission performance and safety aspect. The results showed that CNG has several advantages over both diesel and gasoline fuel, including considerable emission and cost reductions.

Keywords: CNG; Emission; Natural gas; Transportation; Vehicle (search for similar items in EconPapers)
Date: 2015
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Citations: View citations in EconPapers (46)

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DOI: 10.1016/j.rser.2015.06.053

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