The Influence of Low Tyre Pressure on Fuel Consumption and CO₂ Emissions: A Practical Experiment in Libya

Salah Almusbahi; Awad Gashgash; Fawzi Shuhran; Khalid Jaballa; Ghassan Almassri

doi:10.51984/jopas.v24i3.3115

Mechanical Engineering Chemical Engineering

Salah Almusbahi ⁽¹⁾ , Awad Gashgash ⁽²⁾ , Fawzi Shuhran ⁽³⁾ , Khalid Jaballa ⁽⁴⁾ , Ghassan Almassri ⁽⁵⁾

(1) Department of Mechanical Engineering, Garabouli Engineering Faculty, Elmergib University, Libya ,

(2) Department of Chemical Engineering, Garabouli Engineering Faculty, Elmergib University, Libya ,

(3) Department of Mechanical Engineering, Garabouli Engineering Faculty, Elmergib University, Libya ,

(4) Department of Mechanical Engineering, Garabouli Engineering Faculty, Elmergib University, Libya ,

(5) Department of Mechanical Engineering, Garabouli Engineering Faculty, Elmergib University, Libya

https://doi.org/10.51984/jopas.v24i3.3115

Issue
Vol. 24 No. 3 (2025)

Submitted
April 23, 2024

Published
July 9, 2025

Keywords:

Tire Pressure, Fuel Consumption, Reduction Ratio, Transportation, Rationalizing Consumption

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Abstract

This study examines the relationship between tyre pressure, fuel consumption, and CO₂ emissions in Libya, a region where transport emissions were substantial at 16 MtCO₂e in 2012. Conducted between November 2021 and May 2022 along the Libyan coast, specifically from Tripoli to Abu Qurayn, the research involved four distinct vehicle types (Cases A–D) with varied tyre specifications. Experimental findings demonstrate a significant inverse correlation: increased tyre pressure consistently led to reduced fuel consumption and CO₂ emissions. Quantitatively, increasing tyre pressure by 0.8 bar (from 1.2 to 2 bars) resulted in an overall reduction of up to 55% in both fuel consumption and total CO₂ emissions. Case A, for instance, showed a remarkable 54.72% reduction, with average fuel consumption dropping from 18.62 L/100 km to 8.34 L/100 km, and emissions decreasing to 5.40 MtCO₂e. Similar significant efficiencies were observed across all tested vehicle cases.

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Authors

Salah Almusbahi

Department of Mechanical Engineering, Garabouli Engineering Faculty, Elmergib University

Awad Gashgash

Department of Chemical Engineering, Garabouli Engineering Faculty, Elmergib University

Fawzi Shuhran

Department of Mechanical Engineering, Garabouli Engineering Faculty, Elmergib University

Khalid Jaballa

Department of Mechanical Engineering, Garabouli Engineering Faculty, Elmergib University

Ghassan Almassri

Department of Mechanical Engineering, Garabouli Engineering Faculty, Elmergib University

gsalmasri@elmergib.edu.ly (Primary Contact)

Almusbahi, S., Gashgash, A., Shuhran, F., Jaballa, K., & Almassri, G. (2025). The Influence of Low Tyre Pressure on Fuel Consumption and CO₂ Emissions: A Practical Experiment in Libya. Journal of Pure & Applied Sciences, 24(3), 42–48. https://doi.org/10.51984/jopas.v24i3.3115

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