Comparative Study of Fuel Consumption, Acceleration and Emission for Road Vehicle Using LPG or Gasoline

  • Loke Kean KoayEmail author
  • Muhammad Jasni Md Sah
  • Rusli bin Othman
Part of the Advanced Structured Materials book series (STRUCTMAT, volume 102)


Liquefied petroleum gas (LPG) is also called as butane or propane. LPG is a group of hydrocarbons which exists as vapor under ambient condition and has been widely used in many applications. The objective of this study is to investigate the performance effects of operating a car on LPG. The effects studied included the fuel consumption, acceleration and exhaust emission for road vehicles (cars). The engine had been retrofitted with a bi-fuel LPG kit, thus the engine is able to run with LPG or gasoline. Comparative study of the performance for the engine using gasoline and LPG was conducted. The fuel consumption experiment was conducted based on an on-the road drive cycle. The pick-up performance of the car was measured by the time required to accelerate the vehicle to various speeds. The emission of the vehicle was investigated using a non-dispersive infrared (NDIR) gas analyzer. The result indicated that LPG fuel consumption is slightly higher in comparison with gasoline fuel consumption. However, running on LPG reduces emission such CO, CO2, O2 and HC. Finally, fuel cost reduction can be achieved with LPG.


LPG Fuel consumption Performance Exhaust emission 


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© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Loke Kean Koay
    • 1
    Email author
  • Muhammad Jasni Md Sah
    • 1
  • Rusli bin Othman
    • 1
  1. 1.Mechanical SectionMalaysian Spanish Institute, Universiti Kuala LumpurKulimMalaysia

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