Abstract
Diesel engines of the vehicles in the transport sector are responsible for most of the CO2 emissions into the environment. An alternative to reduce fuel consumption is to promote efficient driving techniques. The aim of this paper is to assess the impact of efficient driving on fuel consumption in professional fleets. Data captured from the engine control unit (ECU) of the vehicles are complemented with external information from weather stations and context data from the transport companies. The paper proposes linear and quadratic models in order to quantify the impact of all the terms influencing energy consumption. The analysis was made from the traces captured from a passenger transport company in Spain with more than 50 bus routes. 20 vehicles of five different models were monitored and 58 drivers participated in the study. The results indicate that efficient driving has significant influence on fuel consumption, which confirms efficient driving as a valid and economical option for reducing consumption and therefore emissions of harmful particles into the atmosphere. According to the proposed model, in average external conditions, a driver that increases efficiency from 25% to 75% can reach savings in fuel consumption of up to 16 L/100 km in the analysed bus fleet, which is a significant improvement considering the long distances covered by professionals of the transport sector.
Highlights
IntroductionThe improvement of efficient driving techniques has received much attention in recent years
The improvement of efficient driving techniques has received much attention in recent years.It is well known that one of the main causes of CO2 emissions into the environment is the transport sector [1], meaning that all actions aimed at improving driving techniques and reducing fuel consumption gain more relevance
Predictor variable ‘Key performance indicators (KPIs) AB’ has a Variance Inflation Factor (VIF) value over the threshold of multicollinearity, it is maintained in the model because the main objective of the paper is to analyse the influence of the driving patterns
Summary
The improvement of efficient driving techniques has received much attention in recent years. It is well known that one of the main causes of CO2 emissions into the environment is the transport sector [1], meaning that all actions aimed at improving driving techniques and reducing fuel consumption gain more relevance. International organizations such as the European Commission have set limits to the increase of CO2 emissions. They propose to reduce the dependence of Europe on imported fuel and cut carbon emissions in transport by 60% by 2050 [2]
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