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All Journal Teknik Sipil dan Arsitektur Jurnal Ilmiah MITSU (Media Informasi Teknik Sipil Universitas Wiraraja) JURNAL SIPIL SAINS Astonjadro Jurnal Penelitian Enjiniring Fakultas Teknik Unhas Abdimas Toddopuli: Jurnal Pengabdian Pada Masyarakat Community Development Journal: Jurnal Pengabdian Masyarakat Jurnal Teknik Sipil dan Arsitektur Jurnal Teslink : Teknik Sipil dan Lingkungan Journal of Civil Engineering and Planning (JCEP) Jurnal Pengabdian dan Pemberdayaan Masyarakat Kepulauan Riau (JPPM KEPRI) Sultra Civil Engineering Journal (SCiEJ) Aurelia: Jurnal Penelitian dan Pengabdian Masyarakat Indonesia Jurnal Karajata Engineering Journal of Innovative and Creativity J-CEKI
Kasmaida kasmaida
Universitas Muhammadiyah Parepare
Agriculture, Biological Sciences & Forestry Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Public Health Social Sciences Transportation Other

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Journal : Astonjadro

 1 
Impact of Road Gradient on Fuel Consumption, Fuel Rate and CO₂ Emissions of Freight Transport Abdul, Rahman; Hakzah, Hakzah; Andriyani, Andriyani; Jasman, Jasman; Kasmaida, Kasmaida
ASTONJADRO Vol. 15 No. 1 (2026): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v15i1.21234

Abstract

This study investigates the impact of road gradient on fuel consumption, fuel rate (FR), and CO₂ emissions in freight transport vehicles with two-axle and three-axle configurations. The research was conducted on a 250-meter road segment with a 0.067 rad (~7%) gradient in front of Taman Rekreasi Datae, Sidenreng Rappang Regency, South Sulawesi, Indonesia. A quantitative mathematical model, based on vehicle technical parameters and empirical formulations from previous studies, was applied. Results show that increasing the gradient from 0 to 0.067 rad raised fuel consumption in two-axle trucks from 0.0356 L to 0.0857 L and in three-axle trucks from 0.1463 L to 0.3269 L. The FR for two-axle trucks increased from 0.0014 L/s to 0.0056 L/s, while for three-axle trucks it rose from 0.0033 L/s to 0.0124 L/s. CO₂ emissions from two-axle trucks increased from 0.0958 kg to 0.3941 kg, and from 0.2310 kg to 0.8807 kg for three-axle trucks. The relative increase was higher for two-axle trucks (311%) than for three-axle trucks (281%), due to axle load distribution, engine capacity, and transmission ratio. These findings highlight the need to consider vehicle configuration and topography in route planning to minimize fuel consumption and emissions in hilly regions.
Co-Authors Abdul, Rahman Andriyani Andriyani Ashadi Amir Awan, Ricky Cambe, Cambe Dandi Setiadi Fadly, Imam Hakzah Hamsyah Hamsyah, Hamsyah Hendro Widarto Imam, Imam Wardani Jasman Jasman Jasman Jasman Latifha Sari, Nadjwa Muh. Imam Wahyudi Azis Muh. Nashir T Muhammad Basri Muhammad Hamka Muhammad Taufiq Mustakim Mustakim Mustakim Mustakim Mustakim Nadir, Nadya Adillah Nawir T, Muh Nurfadilah Ruslan Rahmawati, Rahmawati Ramli, Rahmawati Rauf, Sitti Fatimah Risno Risno Risno, Risno Samsul Samsul Sari, Nadjwa Latifha Siddiq, Achmad Sri Rahayu Ningsi Sudarmono, Enjellytha Sulfanita, Andi Swandi, Muh. Darmawan T, M. Nashir T, Muh. Nashir Wahyuddin Wahyuddin Yusran Yusran Zidan Rafsanjani Zulfikar.Z