Super-ships emit ~5g_Co2/Ton/km on average[1], while railway is 2-35g, air transport is 700-3000g and truck transport is 100-2000g.
Surprisingly, the bigger the boat the more effective. We tend to have a bias against larger machines, but often they can be the cleanest in proportion.
Surprisingly, the bigger the boat the more effective. We tend to have a bias against larger machines, but often they can be the cleanest in proportion.
[1] https://www.ademe.fr/sites/default/files/assets/documents/86...