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Average emissions and energy use of maritime freight transpot in Finland in 2016
Unit emissions of freight carriers [g/tkm]
CO HC NOx PM CH4 N2O SO2 CO2 CO2e Fuel
consumption
Energy [MJ]
Container ship, 1 000 TEU 0.10 0.034 0.84 0.019 0.0039 0.0010 0.025 41 42 13 0.54
Container ship, 2 000 TEU 0.065 0.023 0.56 0.013 0.0026 0.00070 0.017 28 28 8.9 0.36
Roro, 18 kn, trailer capacity 200 0.32 0.11 2.5 0.071 0.013 0.0034 0.09 142 143 46 1.8
Roro, 18 kn, paper transport 0.28 0.092 2.17 0.061 0.011 0.0029 0.073 121 122 39 1.57
Ferry, 18 kn 0.18 0.07 0.9 0.036 0.0085 0.0019 0.048 81 82 26 1.1
Ropax, 21 kn, trailer capacity 300 0.23 0.076 1.8 0.050 0.0091 0.0024 0.061 101 101 32 1.3
Ropax, 24 kn, trailer capacity 300 0.33 0.11 2.3 0.072 0.013 0.0035 0.087 145 146 46 1.9
Carcarrier 0.24 0.080 1.9 0.053 0.010 0.0026 0.064 106 107 34 1.4
Bulk carrier, medium 0.030 0.011 0.31 0.0044 0.0012 0.00032 0.0075 12 13 4.0 0.16
Bulk carrier, large 0.023 0.0085 0.23 0.0033 0.00091 0.00024 0.0056 9 9 3.0 0.12
Pusher barge, small 0.058 0.021 0.58 0.0084 0.0023 0.00061 0.014 23 24 7.5 0.30
Pusher barge, large 0.044 0.016 0.44 0.0065 0.0018 0.00047 0.011 18 18 5.8 0.23
General cargo, small 0.065 0.022 0.54 0.0093 0.0026 0.00069 0.017 28 28 8.8 0.36
General cargo, Multi purpose carrier 0.067 0.022 0.56 0.010 0.0027 0.00071 0.017 28 29 9.1 0.37
Tanker, crude carrier, short voyage 0.012 0.0039 0.10 0.0021 0.00047 0.00012 0.0031 5.2 5.2 1.6 0.066
Tanker, crude carrier, long voyage 0.007 0.0024 0.058 0.0012 0.00028 0.000074 0.0018 3.1 3.1 1.0 0.039
Tanker, product carrier, short voyage 0.027 0.0090 0.22 0.0048 0.0011 0.00029 0.007 12 12 3.8 0.15
Tanker, product carrier, long voyage 0.018 0.0062 0.15 0.0032 0.00073 0.00019 0.0048 8.0 8.1 2.5 0.10
Tanker, chemicals 0.13 0.042 1.1 0.023 0.0051 0.0014 0.034 56 56 18 0.72
Emission factors include both directions, thus return trip need not to be calculated
TEU = container unit. 20' container is 1 TEU, 40' container is 2 TEU
Ferries carry both passengers and freight; 80% of emissions are allocated to passengers, 20% to freight.
g/tkm = grams per tonne kilometre (the transport of one net tonne over one kilometre)
CO = carbon monoxide, HC = total hydrocarbons (including methane CH4), NOx = nitrogen oxides, PM = particulate matter, CH4 = methane, N2O = nitrous oxide, SO2 = sulphur dioxide, CO2 = carbon dioxide, CO2e = equivalentic CO2 (CH4 factor 25, N2O factor 298), MJ = megajoule 
VTT Technical Research Centre of Finland Ltd
LIPASTO unit emissions database
Last updated 6.7.2017