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Emissions and energy use of passenger train transport in Finland in 2016
Emissions [g/pkm] Diesel consumption Electricity consumption Energy Number of seats Load factor
Passenger transport CO HC NOx PM CH4 N2O SO2  CO2  CO2e [g/pkm] [kWh/pkm]* [MJ/pkm] [%]
Railcar, diesel 0.012 0.0072 0.53 0.0044 0.00429 0.0012 0.00024 76 76 24   1.0 63 35
Interecity train, electric                     0.054 0.19 509 40
Pendolino train, electric 0.11 0.41 309 40
                             
Sm4 local train, electric 0.085 0.31 184 35
Sm5 (FLIRT) commuter train, electric                     0.071 0.26 260 35
* Electric energy taken from the catenary
Return trip included so the figures should be multiplied directly with passenger kilometres
CO = Carbon monoxide, HC = Total hydrocarbons (including Methane CH4), NOx = Nitrogen oxides, PM = Total particulate matter, CH4 = Methane, N2O = Nitrous oxides, SO2 = Sulphur dioxide, CO2 = Carbon dioxide, CO2e = greenhouse gases in CO2 equivalents (CH4 factor 25 and N2O factor 298), MJ = Megajoule, kWh = Kilowatthour, tkm = tonne kilometre, pkm = passenger/person kilometre, TEU = container unit (20 feet), trailer = semitrailer combination or only trailer, trainset = motorised passenenger car 
VTT Technical Research Centre of Finland Ltd
LIPASTO unit emissions database
Last updated 6.7.2017