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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
Aerodynamic optimisation of pantographs
interesting
Aerodynamic ordering of freight cars
promising
Aluminium car-body
very promising
Articulated trains (Jakob-type bogies)
promising
Automatic train control
interesting
Automatic Train Control 2
Batteries (storage technology)
interesting
Biodiesel
not promising
Bogie fairings
very promising
Bonus/penalty rules
very promising
CO2-based demand control for coach ventilation
very promising
Coach insulation
promising
Common Rail
very promising
Control of comfort functions in parked trains
very promising
Coupling of parked trains for common energy supply
interesting
Covers for open freight cars
promising
Database of traction consumption
promising
Demixing of railway infrastructure
interesting
Diesel flow meters
interesting
Diesel-electric vehicles with energy storage
promising
Diesel-mechanic transmission
promising
Double-decked stock
very promising
Double-layer capacitors (storage technology)
very promising
Driving advice systems in freight operation
promising
Driving advice systems in main line operation
very promising
Driving advice systems in suburban operation
very promising
Elimination of dining car
not promising
Energetic optimisation of timetable
promising
Energy efficient driving by low-tech measures
very promising
Energy efficient driving strategies
very promising
Energy meters (electric)
very promising
Excess ventilation
promising
Fibre reinforced polymers
promising
Fly-wheels (storage technology)
promising
Flywheel based WESS
Fuel or oil additives for diesel traction
not promising
Fuel Stabilizer
Future developments in diesel technology
promising
Gas turbine
interesting
Heat exchangers to use waste heat in MUs
promising
HTSC transformer
very promising
Hybrid locomotives
Hydrogen engine
interesting
IGBT
very promising
Improved operation control for air-conditioning
interesting
Incentives for drivers
interesting
Inverter unit for DC substations
promising
Kinetic Energy Storage System (KESS)
LCC-driven procurement
very promising
Light coach interior equipment
promising
Loss reduction by optimised power intake
interesting
Lubrication of wheels and tracks
interesting
Magnetic levitation technology (maglev)
promising
Mechatronic innovations for future running gear
very promising
Medium-frequency transformer
very promising
Modification of target temperature in passenger coaches
very promising
Modular train sets
promising
Moving block
promising
Multiple units (MUs) vs. loco-hauled trains
very promising
Natural gas
interesting
On-board energy storage in DC systems
promising
On-board use of braking energy in diesel-electric stock
very promising
Optimisation of traction software
promising
Optimisation of train operation by control center
very promising
ORC technology to use waste heat in MUs
interesting
Passenger information to reduce boarding time at stations
promising
PEM fuel cell
interesting
Radio-controlled double traction in freight trains
not promising
Re-engining of diesel stock (replacement of engine)
very promising
Reference cycle for energy efficiency
promising
Regenerative braking in 16,7 Hz, 15 kV systems
very promising
Regenerative braking in 50 Hz, 25 kV systems
very promising
Regenerative braking in DC systems
very promising
Regenerative braking in freight trains
interesting
Revision of limit value for longitudinal forces in the train
interesting
Sandwich structures
promising
Self-propelled freight cars
interesting
Single-axle bogies
very promising
Smart windows
interesting
SOTRELE:Real Time Power and Energy Optimisation System
Space Utilization
Speed harmonisation
not promising
Stationary energy storage
promising
Streamlining of head and tail
not promising
Streamlining of train sides and underfloor areas
interesting
Superconducting Magnetic Energy Storage (storage technology)
not promising
Swissmetro
interesting
Switch-off of traction group
very promising
Systematic train delays
interesting
Training programs to raise awareness of personnel
very promising
Transversal flux motor
promising
Upgrading of engines
interesting
Ventilation control (in new stock)
very promising
Ventilation control (retrofit)
promising
Virtually coupled trains
promising
Wheel-mounted permanent magnet synchronous motor
promising
Wide-body stock
very promising
© UIC - International Union of Railways 2003