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United States flag, 2021
Ships whose port of registry belongs to United States, as estimated from the THETIS-MRV reports for 2021. The 2021 public files do not name the companies operating ships, so this year lists the ships themselves; company lists start with 2024.
At a glance
Ships
47
1 with a blank port, flag from another year
Emitted
1,025,891 t
CO₂, all ships under the flag
EU ETS
–
Shipping entered the EU ETS in 2024
Main segment
Container
840,460 t CO₂, 23 ships
Ship types under this flag
CO₂ by segment.
- Container840,460 t
- Vehicle carrier119,375 t
- General cargo39,619 t
- Oil tanker24,036 t
- Other2,402 t
Ships with most CO₂
The 47 ships under the United States flag with most CO₂ in 2021.
| Ship | Segment | CO₂ |
|---|---|---|
| SAFMARINE MAFADI | Container | 51,749 t |
| MAERSK IOWA | Container | 48,930 t |
| MAERSK HARTFORD | Container | 48,453 t |
| MAERSK KINLOSS | Container | 46,287 t |
| MAERSK SENTOSA | Container | 46,114 t |
| MAERSK SELETAR | Container | 45,934 t |
| MAERSK COLUMBUS | Container | 43,923 t |
| MAERSK PITTSBURGH | Container | 41,657 t |
| MAERSK KENSINGTON | Container | 41,529 t |
| MAERSK DENVER | Container | 40,630 t |
| MAERSK MONTANA | Container | 40,195 t |
| COLORADO EXPRESS | Container | 39,857 t |
| MISSOURI EXPRESS | Container | 39,396 t |
| DELAWARE EXPRESS | Container | 38,777 t |
| MAERSK OHIO | Container | 37,139 t |
| MAERSK CHICAGO | Container | 37,071 t |
| MAERSK ATLANTA | Container | 34,823 t |
| MAERSK DETROIT | Container | 34,420 t |
| HUDSON EXPRESS | Container | 28,201 t |
| POTOMAC EXPRESS | Container | 23,284 t |
| ENDURANCE | Vehicle carrier | 19,505 t |
| MAERSK YORKTOWN | Container | 15,415 t |
| ARC INDEPENDENCE | Vehicle carrier | 14,145 t |
| OVERSEAS MYKONOS | Oil tanker | 13,476 t |
| MAERSK KANSAS | Container | 13,123 t |
| OCEAN GIANT | General cargo | 10,867 t |
| OVERSEAS SANTORINI | Oil tanker | 10,559 t |
| PATRIOT | Vehicle carrier | 10,264 t |
| ARC INTEGRITY | Vehicle carrier | 9,897 t |
| OCEAN GRAND | General cargo | 9,564 t |
| FREEDOM | Vehicle carrier | 9,275 t |
| SLNC YORK | General cargo | 8,184 t |
| LIBERTY PRIDE | Vehicle carrier | 7,976 t |
| ARC COMMITMENT | Vehicle carrier | 7,460 t |
| HONOR | Vehicle carrier | 7,087 t |
| GREEN RIDGE | Vehicle carrier | 5,816 t |
| GREEN COVE | Vehicle carrier | 5,579 t |
| LIBERTY PEACE | Vehicle carrier | 5,574 t |
| LIBERTY | Vehicle carrier | 5,103 t |
| OCEAN GLORY | General cargo | 4,753 t |
| LIBERTY PROMISE | Vehicle carrier | 4,565 t |
| GREEN BAY | Vehicle carrier | 4,038 t |
| OCEAN GLADIATOR | General cargo | 3,601 t |
| CMA CGM HERODOTE | Container | 3,553 t |
| LIBERTY PASSION | Vehicle carrier | 3,093 t |
| OCEAN FREEDOM | General cargo | 2,650 t |
| BBC LOUISE | Other | 2,402 t |