Energy Assessment of Alternative City Bus Lines: A Case Study in Gijón, Spain

Author:

Diaz Jose1ORCID,Pérez Borja1,Fernández Francisco J.1ORCID

Affiliation:

1. Polytechnic School of Engineering, University of Oviedo, 33204 Gijón, Spain

Abstract

The progressive substitution of traditional buses with electric ones in urban public transport constitutes a fundamental challenge towards sustainable mobility. This paper presents a methodological approach to assess energy consumption in urban bus networks, focusing on a city with varied topography and examining alternative bus lines for similar trips. Utilizing a quasi-static longitudinal model, real GPS data, and open access terrain models, the analysis aims to provide a nuanced understanding of energy performance, considering factors such as stop characteristics, gradients, and driving styles. The influence of driving style on commercial speed is observed to be modest, yet significant, in terms of energy efficiency. This research identifies the most advantageous line for transitioning from Internal Combustion Engine (ICE) to Electric Motor (EM) powertrains, resulting in a significant 68% reduction in energy consumption. Beyond specific line details, this methodology offers insights applicable to medium-sized cities, emphasizing efficient route prioritization and providing enhanced user information for informed decisions in the context of sustainable transportation solutions.

Publisher

MDPI AG

Reference33 articles.

1. (2024, February 21). Ayuntamiento de Gijón Memoria de Sostenibilidad 2022 EMTUSA. Available online: https://www.gijon.es/es/publicaciones.

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3. Kivekäs, K., Lajunen, A., Vepsäläinen, J., and Tammi, K. (2018). City Bus Powertrain Comparison: Driving Cycle Variation and Passenger Load Sensitivity Analysis. Energies, 11.

4. Development of a Driving Cycle for a Supercapacitor Electric Bus Route in Hong Kong;Tong;Sustain. Cities Soc.,2019

5. Investigating the Technical, Economic and Environmental Performance of Electric Vehicles in the Real-World: A Case Study Using Electric Scooters;Bishop;J. Power Sources,2011

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