Analysis of the Gap between On-road Real Fuel Economy and Certified Fuel Economy using the Data Collected by the Web

Abstract

What factor how contributed to the gap between on-road real fuel economy and certified (catalog) fuel economy of passenger cars was analyzed and understood quantitatively by using data that united the index of result of the questionnaire concerning the execution condition of the ecodriving and meteorological elements, etc. for the on-road real fuel economy self-reported by drivers. As a result of the analysis, the potential of ecodriving of the on-road real fuel economy improvement was clarified.