Erweiterte Forschungsbegleitung für den Einsatz von energieeffizienten Linienbussen im Verkehrsverbund Rhein-Ruhr

Within the EFBEL project, city buses with hybrid and alternative power trains are subject to examination. Based on the experience gathered in a preceding project, the following topics will be covered in depth:

  • Dedicated measurement of fuel consumption, exhaust and noise emissions
  • Energy balance of main auxiliary systems
  • Identification of main impact factors on fuel consumption using simulation and analysis of load profiles
  • Analysis of the impact of operating concepts and driver behavior
  • Analysis of route profiles and topography features with respect to their impact on operating modes
  • Examination of the development of fuel consumption considering service life
  • Description of weather related phenomena and their influence on fuel consumption and availability (winter vs. summer)

The following vehicles are to be examined:

 Vehicle Type
Hybrid Volvo 7700 Hybrid
MAN Lion's City Hybrid A37
Mercedes Benz Citaro G O530 Bluetec Hybrid
Hess SwissHybrid BGH-N2C
Volvo 7900 Hybrid
Alternative Phileas / Van Hool Brenstoffzelle
VDL Elektrobus
Citea LLE - 120
Conventional Mercedes Benz Citaro Euro VI 12m
Solaris Urbino 12
MAN Lion's City A37
Mercedes Benz Citaro G O530


Damian Backes M.Sc.
Manager Research Area
Energy Management and Drivetrains
+49 241 80 25420

Dominik Werner M.Sc.
Manager Research Area
Vehicle Dynamics & Acoustics
+49 241 80 29383

Timo Woopen M.Sc.
Manager Research Area
Vehicle Intelligence & Automated Driving
+49 241 80 23549

Project duration

01/2013 – 06/2015

Project partner

ika, VRR, PE International, TÜV Nord, SWK, BOGESTRA, TRD

Supported by

[Logo: BM Digitales und Verkehr][Logo: Modellregion Elektromobilität Rhein-Ruhr][Logo: Nationale Organisation Wasserstoff- und Brennstoffzellentechnologie]


Institute for Automotive Engineering
RWTH Aachen University
Steinbachstraße 7
52074 Aachen · Germany

+49 241 80 25600

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