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Revista internacional de contaminación ambiental
versión impresa ISSN 0188-4999
Resumen
SALAZAR SABAS, Oscar Alejandro y QUEZADA, Betanzo Eduardo. Development of a driving cycle based on commercial vehicles and pollutant emissions. Rev. Int. Contam. Ambient [online]. 2023, vol.39, 54386. Epub 05-Jun-2023. ISSN 0188-4999. https://doi.org/10.20937/rica.54386.
Urban freight transport is a significant contributor to pollutant emissions in cities. A current gap in mobile emissions evaluation in Mexico is the lack of a representative driving cycles for freight vehicles. The aim of this study was to develop a driving cycle for light commercial vehicles and compare it with standard international cycles. The chase-car technique was used to collect real-world driving data along 37 trips within the historic monuments zone of Querétaro. A methodology combining principal components analysis, k-mean clustering and the Markov chain model was applied to the construction of the driving cycles’ candidates. Results show that, compared with the obtained cycle, the international reference drive cycles applied in Mexico underestimate vehicular emissions as NOx and CO by about the 22 and 48 %, for the New European Driving Cycle and the Federal Test Procedure 75, respectively. This reflects that the drive cycle construction process must take into consideration the different vehicular classes and transport systems, since all of them have unique driving patterns that make every cycle significantly different from each other.
Palabras llave : mobile emissions; urban freight transport; driving behavior; MOVES.