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State-of-the-Art of Strategies to Reduce Exhaust Emissions from Diesel Engine Vehicles

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  • S. M. Ashrafur Rahman

    (Biofuel Engine Research Facility, Queensland University of Technology, Brisbane, QLD 4000, Australia)

  • I. M. Rizwanul Fattah

    (School of Information, Systems and Modelling, Faculty of Engineering and Information Technology, University of Technology Sydney, Ultimo, NSW 2007, Australia)

  • Hwai Chyuan Ong

    (School of Information, Systems and Modelling, Faculty of Engineering and Information Technology, University of Technology Sydney, Ultimo, NSW 2007, Australia)

  • M. F. M. A. Zamri

    (Institute of Sustainable Energy, Universiti Tenaga Nasional, Jalan IKRAM-UNITEN, Kajang 43000, Selangor, Malaysia)

Abstract

Compression ignition engines play a significant role in the development of a country. They are widely used due to their innate properties such as high efficiency, high power output, and durability. However, they are considered one of the key contributors to transport-related emission and have recently been identified as carcinogenic. Thus, it is important to modify the designs and processes before, during, and after combustion to reduce the emissions to meet the strict emission regulations. The paper discusses the pros and cons of different strategies to reduce emissions of a diesel engine. An overview of various techniques to modify the pre-combustion engine design aspects has been discussed first. After that, fuel modifications techniques during combustion to improve the fuel properties to reduce the engine-out emission is discussed. Finally, post-combustion after-treatment devices are briefly discussed, which help improve the air quality of our environment.

Suggested Citation

  • S. M. Ashrafur Rahman & I. M. Rizwanul Fattah & Hwai Chyuan Ong & M. F. M. A. Zamri, 2021. "State-of-the-Art of Strategies to Reduce Exhaust Emissions from Diesel Engine Vehicles," Energies, MDPI, vol. 14(6), pages 1-24, March.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:6:p:1766-:d:522096
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