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Estimating Fuel-Saving Impact of Low Rolling Resistance Tires on Heavy-Duty Vehicle Fleet Operations

Author

Listed:
  • Gbologah, Franklin E.
  • Rodgers, Michael O.
  • Li, Hanyan Ann

Abstract

The U.S. Environmental Protection Agency identified the use of low rolling resistance (LRR) tires as an effective method of reducing vehicle fuel consumption, especially from heavyduty vehicles (HDV). LRR tires are important to HDV operations because fuel accounts for about 25% of operating costs, and improving fuel economy also reduces emissions of both greenhouse gases and oxides of nitrogen, a precursor to the formation of ozone, which is harmful to humans, plants, and animals. However, their adoption rate has been slow primarily due to performance uncertainties under real-world operating conditions. Previous mathematical models developed to help fleet operators estimate the impact of LRR tires on their operations have suffered from poor accuracy because they do not account for variable speed profiles in realworld HDV operations. Georgia Tech researchers have developed a new tool for fleet managers that better predicts the benefits of LRR tires under real-world conditions. View the NCST Project Webpage

Suggested Citation

  • Gbologah, Franklin E. & Rodgers, Michael O. & Li, Hanyan Ann, 2019. "Estimating Fuel-Saving Impact of Low Rolling Resistance Tires on Heavy-Duty Vehicle Fleet Operations," Institute of Transportation Studies, Working Paper Series qt6cg510sf, Institute of Transportation Studies, UC Davis.
    • Handle: RePEc:cdl:itsdav:qt6cg510sf
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    Keywords

    Engineering; Data analysis; Fleet management; Fuel consumption; Heavy duty vehicles; Rolling resistance; Simulation; Tires; Tractor trailer combinations; Traffic speed; Vehicle fleets;
    All these keywords.

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