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Table 4 Baseline committed emissions for existing ships, by ship type

From: Shipping and the Paris climate agreement: a focus on committed emissions

Ship type Number of ships with fuel/CO2 data Total CO2/yr (Mt CO2) Committed future CO2 (MtCO2) Ratio of committed to current Average age Scrappage age + assumption
Bulk Carrier 3311 17.5 307 17.6 8.7 Varies by size:
21.6–32.3
Chemical Tanker 1268 9.1 150 16.5 9.8 26.8
Combination Carriers 7 0.1 1 9.3 15.6 24.3
Container Ships 1665 44.1 658 14.9 11.7 Varies by size:
19.7–28.2
Container Ro-Ro Cargo 72 1.4 24 16.5 12.1 28.2
Gas Carriers 294 2.5 51 20.9 8.5 29.4
General Cargo Ships 1048 5.9 91 15.4 12.5 28.2
LNG Carriers 194 5.5 107 19.5 8.7 29.4
Oil Tankers 1686 17.7 227 12.8 9.7 Varies by type/size: 20.0–30.8
Other Ship Types 104 1.0 13 12.6 17.6 28.7
Passenger Ships 146 6.4 191 30.0 17.2 44.5
Refrigerated Cargo 140 1.8 19 10.6 22.3 30.8
Ro Pax 344 13.8 228 16.5 22.5 Varies by type:
30.8–44.5
Ro-Ro 257 5.9 97 16.5 15.8 30.8
Vehicle Carriers 433 5.1 96 19.0 11.6 30.8
TOTAL 10,966 137.7 2260 16.4 10.8