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 Technology     
 evaluated     
 Overall Potential     
         
Inverter unit for DC substations promising  
On-board energy storage in DC systems promising  
Stationary energy storage promising  
Fly-wheels (storage technology) promising  
Magnetic levitation technology (maglev) promising  
Coach insulation promising  
Heat exchangers to use waste heat in MUs promising  
Excess ventilation promising  
Energetic optimisation of timetable promising  
Driving advice systems in freight operation promising  
Moving block promising  
Modular train sets promising  
 
© UIC - International Union of Railways 2003