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Electric Vehicles Research
Posted on January 31, 2019 by

Fuel cell bus in the US has exceeded 25000 hours, more are close

Five fuel cell buses in the United States have exceeded the DOE/DOT target of 25,000 hours and one has surpassed 29,000 hours of drive time. A further nine buses have exceeded 20,000 hours without major repairs or replacement of the fuel cell stack. This is comparable to the life expectancy of a diesel engine in a transit bus. Diesel buses have an engine that is sometimes rebuilt halfway through its usable life at 6 years/250,000 miles on average. The National Renewable Energy Laboratory has collected data on fuel cell buses for more than 8 years. The U.S. Department of Energy's (DOE's) Fuel Cell Technologies Office (FCTO) within the Office of Energy Efficiency and Renewable Energy, and the U.S. Department of Transportation (DOT) Federal Transit Administration funded this work. For more information see the IDTechEx report on Electric Buses 2018-2038.
Graph extracted from L. Eudy, National Renewable Energy Laboratory, funded by DOT and DOE-FCTO. Note: Several transit agencies are deploying fuel cell buses. Not all buses have been in service for sufficient time to determine if they can meet durability targets so only those with adequate time on the road are shown. Source: L. Eudy and M. Post, Fuel Cell Buses in U.S. Transit Fleets: Current Status 2018
Source and top image: US Department of Energy
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