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Average emissions and energy use of a carcarrier ship in 2016
Carcarrier CO HC NOx PM CH4 N2O SO2 CO2 CO2e Fuel
consumption
Energy [MJ]
[g/ship km]   382 127 3 012 84 15 4.1 102 168 279 169 877 53 990 2 181
[g/car-unit km] 0.51 0.17 4.0 0.11 0.020 0.0054 0.14 224 227 72 2.9
[g/tkm]   0.24 0.080 1.9 0.053 0.010 0.0026 0.064 106 107 34 1.4
Car
capacity
[units]
Power Usage, cars (share of max capacity) Specific consumption
GT DWT Main engines Speed Distance Main engines Aux. engines
[t] [t] [kW] [knots] [km] [%] [g/kWh] [g/kWh]
1 500 19 000 6 000 15 000 15 1 800 50% 212 210
Emission factors include both directions, thus return trip need not to be calculated
g/ship km = grams per ship kilometre (the transport of the entire ship over one kilometre)
g/car unit km = grams per car unit kilometre (the transport of one car unit over one kilometre)
g/tkm = grams per tonne kilometre (the transport of one net tonne over one kilometre)
DWT = deadweight tonnage = the sum of the masses of cargo, fuel, fresh water, ballast water, provisions, passengers and crew
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