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Emissions and energy use of diesel driven raw wood train in Finland in 2016
Emissions [g] Diesel consumption Energy Net load Train weight^
CO HC NOx PM CH4 N2O SO2  CO2  CO2e [g] [MJ] [t] [t]
Loaded, per train kilometre 41 20 342 5.8 0.75 0.21 0.042 13 261 13 343 4 196 180 780 1 099
Empty, per train kilometre 33 16 274 4.7 0.60 0.17 0.034 10 611 10 677 3 358 144 780 1 099
Loaded, per tonne kilometre 0.053 0.025 0.44 0.0075 0.0010 0.00027 0.00005 17.0 17.1 5.4 0.23 780 1 099
Average per tonne kilometre 0.096 0.045 0.79 0.013 0.0017 0.00049 0.00010 30.6 30.8 9.7 0.42 780 1 099
^ Locommotive weight excluded
Average line includes empty backhaul
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