June 30, 2022
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In this episode of the Environmental Technical Assistance Program or ETAP Podcast, Mark Hoffman – assistant professor of mechanical engineering at Auburn University – and Karl Bohnenberger, his research assistant, explain how reducing the amount of energy required to keep a vehicle tire rolling can help lower greenhouse gas or GHG emissions.

[Above photo via Wikipedia Commons]

According to the U.S. Department of Energy, conventionally fueled vehicles use up 11 percent of their fuel to keep their tires rolling, while electric vehicles use up to 25 percent of their energy for this purpose.

Thus, reducing rolling resistance presents a “valuable opportunity” to improve vehicle efficiency and reduce the transportation sector’s carbon footprint simultaneously, argue Hoffman and Bohnenberger.

To listen to this podcast, click here.

editor@aashto.org

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