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


  • Khan, Muhammad Imran
  • Yasmin, Tabassum
  • Shakoor, Abdul


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.

Suggested Citation

  • Khan, Muhammad Imran & Yasmin, Tabassum & Shakoor, Abdul, 2015. "Technical overview of compressed natural gas (CNG) as a transportation fuel," Renewable and Sustainable Energy Reviews, Elsevier, vol. 51(C), pages 785-797.
  • Handle: RePEc:eee:rensus:v:51:y:2015:i:c:p:785-797
    DOI: 10.1016/j.rser.2015.06.053

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    References listed on IDEAS

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    5. Ullah, Kafait & Hamid, Salman & Mirza, Faisal Mehmood & Shakoor, Usman, 2018. "Prioritizing the gaseous alternatives for the road transport sector of Pakistan: A multi criteria decision making analysis," Energy, Elsevier, vol. 165(PB), pages 1072-1084.
    6. Dessouky, Maged M & Shao, Yihuan E, 2017. "Routing Strategies for Efficient Deployment of Alternative Fuel Vehicles for Freight Delivery," Institute of Transportation Studies, Working Paper Series qt0nj024qn, Institute of Transportation Studies, UC Davis.
    7. Duan, Xiongbo & Liu, Jingping & Yao, Jun & Chen, Zheng & Wu, Cheng & Chen, Ceyuan & Dong, Hao, 2018. "Performance, combustion and knock assessment of a high compression ratio and lean-burn heavy-duty spark-ignition engine fuelled with n-butane and liquefied methane gas blend," Energy, Elsevier, vol. 158(C), pages 256-268.
    8. Girma T. Chala & Abd Rashid Abd Aziz & Ftwi Y. Hagos, 2018. "Natural Gas Engine Technologies: Challenges and Energy Sustainability Issue," Energies, MDPI, Open Access Journal, vol. 11(11), pages 1-44, October.
    9. Hegab, Abdelrahman & La Rocca, Antonino & Shayler, Paul, 2017. "Towards keeping diesel fuel supply and demand in balance: Dual-fuelling of diesel engines with natural gas," Renewable and Sustainable Energy Reviews, Elsevier, vol. 70(C), pages 666-697.
    10. Khan, Muhammad Imran & Yasmeen, Tabassam & Khan, Muhammad Ijaz & Farooq, Muhammad & Wakeel, Muhammad, 2016. "Research progress in the development of natural gas as fuel for road vehicles: A bibliographic review (1991–2016)," Renewable and Sustainable Energy Reviews, Elsevier, vol. 66(C), pages 702-741.
    11. Szymon Kuczyński & Krystian Liszka & Mariusz Łaciak & Andrzej Olijnyk & Adam Szurlej, 2019. "Experimental Investigations and Operational Performance Analysis on Compressed Natural Gas Home Refueling System (CNG-HRS)," Energies, MDPI, Open Access Journal, vol. 12(23), pages 1-15, November.
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    13. Mehra, Roopesh Kumar & Duan, Hao & Juknelevičius, Romualdas & Ma, Fanhua & Li, Junyin, 2017. "Progress in hydrogen enriched compressed natural gas (HCNG) internal combustion engines - A comprehensive review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 80(C), pages 1458-1498.
    14. Giwa, Solomon O. & Nwaokocha, Collins N. & Odufuwa, Bashir O., 2017. "Mitigating gas flare and emission footprints via the implementation of natural gas vehicles in Nigeria," Energy Policy, Elsevier, vol. 111(C), pages 193-203.
    15. Chen, Zheng & Zhang, Fan & Xu, Boya & Zhang, Quanchang & Liu, Jingping, 2017. "Influence of methane content on a LNG heavy-duty engine with high compression ratio," Energy, Elsevier, vol. 128(C), pages 329-336.
    16. Khan, Muhammad Imran & Shahrestani, Mehdi & Hayat, Tasawar & Shakoor, Abdul & Vahdati, Maria, 2019. "Life cycle (well-to-wheel) energy and environmental assessment of natural gas as transportation fuel in Pakistan," Applied Energy, Elsevier, vol. 242(C), pages 1738-1752.
    17. Anna Pääkkönen & Kalle Aro & Pami Aalto & Jukka Konttinen & Matti Kojo, 2019. "The Potential of Biomethane in Replacing Fossil Fuels in Heavy Transport—A Case Study on Finland," Sustainability, MDPI, Open Access Journal, vol. 11(17), pages 1-19, August.
    18. Song, Hongqing & Ou, Xunmin & Yuan, Jiehui & Yu, Mingxu & Wang, Cheng, 2017. "Energy consumption and greenhouse gas emissions of diesel/LNG heavy-duty vehicle fleets in China based on a bottom-up model analysis," Energy, Elsevier, vol. 140(P1), pages 966-978.
    19. Hao, Han & Liu, Zongwei & Zhao, Fuquan & Li, Weiqi, 2016. "Natural gas as vehicle fuel in China: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 62(C), pages 521-533.

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    CNG; Emission; Natural gas; Transportation; Vehicle;


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