National Park Service Bus Electrification Study: 2020 Report

Leslie Eudy, Madeline Gilleran, Andrew Kotz, Kay Kelly

Research output: NRELTechnical Report


This report summarizes important considerations for implementing BEBs in the three national park fleets, detailing information about current buses at each fleet, electric bus demonstration vehicles, as well as performance evaluations of BEBs in Zion, Bryce, and Yosemite. Results include in-use data collection results reporting metrics such as average bus speed, energy usage per trip, and daily distance traveled, as well as effects of high heating, ventilation, and air conditioning (HVAC) system use to both heat and cool the buses, emissions estimations before and after use of electric buses, operating costs, electric vehicle infrastructure, maintenance, and bus driver user experience survey information. Analysis results from this project will help the NPS understand how BEBs and future expansion of BEBs could assist in meeting their bottom line and operational goals and assist NPS in choosing appropriate locations for future BEB deployments.
Original languageAmerican English
Number of pages75
StatePublished - 2021

NREL Publication Number

  • NREL/TP-5400-78012


  • battery electric bus
  • BEB
  • Bryce National Park
  • electric bus
  • Yosemite National Park
  • Zion National Park


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