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Technology
evaluated
Overall Potential
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Barriers
Benefits (other than environmental)
Energy efficiency (single vehicles)
Status of development
Technology field
Vehicle - fix costs
Superconducting Magnetic Energy Storage (storage technology)
not promising
Speed harmonisation
not promising
Aerodynamic optimisation of pantographs
interesting
Streamlining of train sides and underfloor areas
interesting
Loss reduction by optimised power intake
interesting
Upgrading of engines
interesting
Regenerative braking in freight trains
interesting
Revision of limit value for longitudinal forces in the train
interesting
Batteries (storage technology)
interesting
PEM fuel cell
interesting
Natural gas
interesting
Hydrogen engine
interesting
© UIC - International Union of Railways 2003