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Du Trong Ho
Men Van Truong
Quang Thanh Le
Du Quang Pham


Liquified Petroleum Gas (LPG) fuel is currently an energy source being widely applied in many fields in Vietnam, making a significant contribution to the development of the national economy. This paper presents research results of applying LPG fuel used in motorbikes. The traditional liquid fuel system (gasoline) on a motorbike was replaced by an electronically controlled LPG fuel injection system. LPG fuel is designed to inject into the intake manifold. The injection quantity and injection timing are calculated and controlled by the electronic control unit through the calculation and analysis of the input of key parameters such as intake air pressure and temperature, throttle position, engine speed, and camshaft position. The testing results on real roads in an urban area show that the motorbike operates stably on flat and uphill roads. In addition, the cost of LPG fuel
consumption is less than that of the gasoline fuel consumption.


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How to Cite
Ho, D., Truong, M., Le, Q. and Pham, D. (2022) “DESIGN, FABRICATION AND EVALUATION OF LPG-FUEL INJECTION SYSTEM FOR MOTORBIKES”, TRA VINH UNIVERSITY JOURNAL OF SCIENCE; ISSN: 2815-6072; E-ISSN: 2815-6099, 1(47), pp. 47-59. doi: 10.35382/tvujs.1.47.2022.924.


[1] Duc Nguyen Huu, Van Nguyen Ngoc. Analysis study
of current transportation status in Vietnam’s urban
traffic and the transition to electric two-wheelers
mobility. Sustainability. 2021;13: 5577.
[2] An Minh Ngoc, Hiroaki Nishiuchi, Nguyen Van
Truong, Le Thu Huyen. A comparative study on
travel mode share, emission, and safety in five Vietnamese Cities. International Journal of Intelligent
Transportation Systems Research. 2022;20: 157–169.
[3] Nilaj Deshmukh, Nitesh P. Yelve. Investigation on
feasibility of LPG as a fuel for motorcycle. National
Conference on AAQMENT.2006; 406–414.
[4] Laurencas Raslavicius, Art ˇ uras Ker ¯ sys, Saulius ˇ
Mockus, Neringa Kersien ˇ e, Martynas Starevi ˙ cius. ˇ
Liquefied petroleum gas (LPG) as a medium-term option in the transition to sustainable fuels and transport.
Renewable and Sustainable Energy Reviews. 2014;32:
[5] T. Tasic, P. Pogorevc, T. Brajlih. Gasoline and lpg exhaust emissions comparison. Advances in Production
Engineering & Management. 2011;6:87–94.
[6] P. Bielaczyc, A. Szczotka, J. Woodburn. A comparison of exhaust emissions from vehicles fuelled with
petrol, LPG and CNG. IOP Conf. Series: Materials
Science and Engineering. 2016; 148:012060.
[7] Maxwell S. Akple, Robert K. Biscoff, Richard F.
Turkson, Seth T. K. Dzokoto. An assessment of tailpipe emissions from petrol and LPG fuelled vehicles
in Ghana. International Journal of Engineering Sciences & Research Technology. 2014;3: 640–646.
[8] I. H. A. Nagoro, E. Suryono, R. D. Prasetyo, S. H. A.
Nandita. Performance and emission characteristics of
LPG in a spark-ignition engine. Journal of Physics:
Conference Series. 2020;1517: 012037.
[9] Vezir Ayhan, Adnan Parlak, Idris Cesur, Bari Boru
and Ahmet Kolip. Performance and exhaust emission characteristics of a diesel engine running with
LPG. International Journal of the Physical Sciences.
2011;6: 1905–1914.
[10] Bùi Văn Ga, Trần Văn Nam, Hồ Tấn Quyền, Phạm
Thị Đông Phương. Sử dụng LPG trên xe gắn máy
và xe buýt nhỏ. Trung tâm Nghiên cứu Bảo vệ Môi
trường, Đại học Đà Nẵng; 2009.
[11] Tongchit Suthisripok, Nachaphat Phusakol, Nuttapol
Sawetkittirut. Bi-fuel system - gasoline/LPG in a
used 4-stroke motorcycle-fuel injection type. In Asia
Conference on Mechanical and Material Engineering
(ACMME2017), 5th. 2015.