From: Recovery of ro-pax ferry traffic from covid-19 under tightening environmental regulations: case Helsinki-Tallinn
Ship type
Emissions
Emission per distance
Emissions per transport work
Mtonnes CO2
kg CO2/NM
g CO2 / tonne-NM
Bulk
18.1
290
8.48
Container
44.4
570
20.13
General cargo
6.13
185
28.02
Oil Tanker
435
8.82
Ro-ro
6.06
338
91.03