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TRB 91st Annual Meeting (January 22-26, 2012)
Event Number:541
Event Title:Current Issues in Energy, Climate Change, and Alternative Fuels in Transportation
Event Date:Jan 24 2012 10:45AM- 12:30PM
Event Location:Hilton, International Center
Event Description:
Event Agenda:

How Public Education on Ecodriving Can Reduce Both Fuel Use and Greenhouse Gas Emissions (12-3952)
    
Ecodriving, the concept of changing driving behavior and vehicle maintenance to impact fuel consumption and greenhouse gas (GHG) emissions in existing vehicles, has gained recent prominence in North America. One ecodriving strategy involves public education through Internet-based information dissemination. This paper presents the results of a controlled stated-response study conducted with approximately 100 University of California, Berkeley faculty, staff, and students, assessing the effectiveness of static ecodriving web-based information. A comparison of the experimental and control groups found that exposure to ecodriving information influenced people’s driving behavior and maintenance practices. The experimental group’s distributional shift was statistically significant, particularly for key practices including: lower highway cruising speed, driving behavior adjustment, and proper tire inflation. Within the experimental group (N = 51), fewer respondents significantly changed their maintenance practices (16%) than the majority that altered some driving practices (71%); this suggests intentional altering of driving behavior is easier than planning better maintenance practices. A comparison of before- and after-surveys found that 57% of the experimental group improved their ecodriving behavior, while 43% made no change or worsened. Key characteristics of the drivers that improved include: being female, living in smaller households, and owning a newer car with higher fuel economy. While it was evident that not everyone modifies their behavior as a result of reviewing the website, even small shifts in behavior due to inexpensive information dissemination could be deemed cost effective in reducing fuel consumption and emissions.

Authors
     Martin, Elliot W., University of California, Berkeley
     Chan, Nelson D., University of California, Berkeley
     Shaheen, Susan A., University of California, Berkeley


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