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Journal Article

Citation

Rolim CC, Baptista PC, Duarte GO, Farias TL. Procedia Soc. Behav. Sci. 2014; 111: 711-720.

Copyright

(Copyright © 2014, Elsevier Publishing)

DOI

10.1016/j.sbspro.2014.01.105

PMID

unavailable

Abstract

The main objective of this investigation was to assess the impacts of an eco-driving education session on the energy and environmental performance of a group of drivers as well as changes on their driving patterns. Driving behavior was assessed with an on-board monitoring device, the CarChip Pro. This on-board data logger allowed the characterization of driving patterns, collecting data regarding driving parameters - such as speed and acceleration - and engine parameters. Potential savings in fuel consumption and reduction of CO2 and NOx emissions were assessed based on the VSP "Vehicle Specific Power" methodology. A sample of 20 drivers was monitored in two distinct periods. Two groups were defined. A group of 9 drivers received at the end of the first monitoring period, an eco-driving educational session, where information regarding which conducts should be adopted in order to assume a more ecological driving behavior was shared as well as insight concerning their driving performance was given. The remaining drivers received no information. A total of 1364 days and 1928 hours of driving were monitored, corresponding to 8137 trips and 100212 km travelled. The results show that, after the eco-driving education session, drivers decreased the time spent in excessive speed and excessive engine speed by 24% and 38% respectively. A reduction in the number of events such as extreme accelerations and decelerations was also observed. The results indicate an average 4.8% fuel consumption decrease, corresponding to savings of 0.09 MJ/km and 6.56 g/km of CO2 emissions in the Tank-To-Wheel stage. Concerning NOx emissions a decrease of 8% was observed for this experimental group.

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