Can a cup of coffee help you drive in a more environmentally friendly way?

What if this cup of coffee were shown as a graphical-dashboard display, where heavy braking and accelerating causes that cup of coffee to spill? In an online survey, 92 participants perceived the coffee-cup display as more effective than a dial-gauge display to influence them to adopt eco-driving practices.

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Potvin-Bernal J, Hansma B, Donmez B, Lockwood P, Shu LH (2020) Influencing Greater Adoption of Eco-Driving Practices Using an Associative Graphical Display, ASME Journal of Mechanical Design, Vol. 142, No. 3 (031117). Paper No: MD-19-1436, doi: