Hybrid Propulsion Technologies for Urban Bus Transit

Volpe National Transportation Systems Center, Technical Reference Centerhttps://doi.org/10.21949/15267681984PDFTech ReportGundersen, Richard G.Wychorski, H.John A. Volpe National Transportation Systems Center (U.S.)United States. Urban Mass Transportation AdministrationUnited StatesEnergy conservationTrolleybusesVehicle power plantsPropulsionUrban transportationPropulsion systemsDOT-TSC-UMTA-84-31;UMTA-MA-06-0120-84-4Information on hybrid propulsion technologies is presented to increase the transit community's awareness and understanding of bus propulsion designs that offer extended use capability for trolley-emergency, short-range, and back-up propulsion for trolley buses or offer some overall energy or fuel savings. Technical material is provided on systems that are novel or appear to offer the greatest potential for future commercial development. Advancements in hybrid technology that could help in better utilization of existing equipment or help in decisions regarding the procurement of new vehicles.138