Understanding the Cost of Driving Trips
summary
Built a phone app plus an OBD dongle that shows an estimated total cost per drive — fuel, depreciation from KBB, maintenance, insurance and prorated fixed costs — displayed automatically at trip end as a trip cost meter. Deployed with nine participants, 145 trips logged (62 commutes); after 5–7 days estimates become significantly more accurate and confidence rises, and after four months accuracy stays higher though confidence falls. Predictive and routing alternatives are feasible.
AI-written summary · about
chapters (7)
- 0:00Start
- 1:12Awareness of driving costs matters
- 3:11Research Question
- 3:57Trip Cost Model
- 6:03Evaluation Protocol
- 8:46Commute Trip (4 months later)
- 9:28Behavior Change example (P4)
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