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| How much knowledge did you have about eco-driving practices before participating in this study? |
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| During the 1st month of your participation approximately what average fuel economy do you think you got with your vehicle? | | | | During the 2nd month of your participation approximately what average fuel economy do you think you got with your vehicle? | | |
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| How would you characterize the change in your fuel economy during the past month? |
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During the first month and second month of your participation in this study, what percent of miles traveled by your vehicle were driven by you?
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| Before participating in this study, how how often did you adjust your driving style specifically to improve your fuel economy? |
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| How efficiently, in terms of fuel usage, do you think you drive your vehicle now? |
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| During the past month, when driving your primary vehicle, how often would you adjust your driving behavior in ways to improve your fuel economy? |
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During the first month and second month of the study, when driving on the freeway without traffic congestion (such as on I-580, I-80, or US 101), what cruising speed did you typically try to maintain?
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| For the next 4 questions, please consider how you drove during the 2nd month of the study. |
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| How would you best characterize your acceleration from a stop light or stop sign? |
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| Would you say that your acceleration was… |
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| Would you say that your acceleration was… |
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| How would you best characterize the way in which you brake before a stop light or stop sign? |
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| Would you say that your deceleration was… |
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| Would you say that your deceleration was… |
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At what price of gasoline would you start to reduce your driving from the amount that you currently drive?
At each price below, please indicate whether you would Definitely Reduce, Probably Reduce, Probably NOT Reduce, or Definitely NOT Reduce, the amount that you drive.
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| During the past month, how often did you turn on the Eco-Way device when you drove your car? |
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| How effective would you say the “Eco:Drive” feature (the real time fuel efficiency screen) was for improving the efficiency of your driving? |
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| What was the most useful feature of the device? | | |
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| What feature of the device could have used the most improvement? | | |
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| During the past month, how often did you adjust your driving style specifically to improve your fuel economy based on real-time feedback from the Eco-Way device? |
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| Did the device help you learn how to drive more efficiently? |
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| To what extent did you find the device to be a distraction from your driving? |
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| To what extent do you think that the distraction was significant enough to impair your driving? Was your driving… |
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| Please state whether you "Strongly Agree", "Agree", "Disagree" or "Strongly Disagree" with the following statements. |
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| Because of the Eco-Way device, I would accelerate slower. |
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| Because of the Eco-Way device, I would coast more often. |
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| Because of the Eco-Way device, I would brake more gradually. |
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| Because of the Eco-Way device, I would drive at a slower speed on the highway. |
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| Because of the Eco-Way device, I would get to where I am going faster than I did before. |
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| Because of the Eco-Way device, I consumed less fuel during the 2nd month than I did during the 1st month. |
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| Overall, the Eco-Way device changed how I drove during the 2nd month of the study. |
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| Do you think that these changes in your driving will persist without the use of an Eco-Way device? |
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| How long do you think these changes in your driving will persist without the Eco-Way device? |
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| Do you think you will purchase an Eco-Driving device for use with your current vehicle? |
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| Please specify the primary reason why you will purchase an eco-driving device to use with your current vehicle: | | |
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| Please specify the primary reason why you will not purchase an eco-driving device to use with your current vehicle: | | |
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| How often do you think you would use an in-vehicle dashboard display with Eco-Driving information if it came standard with your next vehicle? |
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| When was the last time that you had the oil changed in your vehicle? |
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| From now on, how often do you plan to get your oil changed? |
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| How many miles do you expect to travel between oil changes in the future? |
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| Have you changed how you maintain your car over the past 2 months? |
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| How have you changed how you maintain your car? | | |
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| In the past 2 months, have you altered your vehicle in any way that could have changed its fuel economy (such as towing a trailer, installing a roof rack, etc.)? |
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| Please explain what, if any, modifications were made to your vehicle that could potentially have altered your fuel efficiency. If none were made, simply state "None". | | |
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| Please briefly explain how you altered your vehicle, and if you know, approximately when? | | |
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| During the past 2 months, how often did you check your tire pressure? |
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| During the past 2 months, how often was your tire pressure checked by someone else? |
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| Do you have any comments about the Eco-Way device? | | |
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