Oil tanker · Singapore flag
MAERSK TOKYO: CO₂ emissions 2019–2025
IMO 9718076 EU ETS6 reporting years
- CO₂ reported 2025
- 4,946 t
- Fuel burned
- 1,570 t
- Distance
- 20,558 nm
- Time at sea
- 1,716 h
- Emitted at berth
- 8% of total
- Share of year under way
- 20%
MAERSK TOKYO against its type
It is one of 237 oil tankers here under the Singapore flag, 6.7% of the 3,548 on the register. The returns for 2020–2025 all give Singapore as port of registry.
Its 4,946 t of CO₂ for 2025 is 38% below the median of 7,922 t among the 1,704 oil tankers on this register that reported for 2025. Per nautical mile it emitted 240.6 kg CO₂, 40% below the type median of 403.2 kg. It logged 1,716 hours at sea against a median of 2,030 hours for its type that year. 8.2% of its 2025 emissions were at berth; the median for oil tankers was 7.8%. Across 6 years with reported emissions, the highest was 2020 (8,099 t) and the lowest 2022 (1,002 t). Its efficiency percentile within the type went from 68 in 2019 to 67 in 2025 (lower is more efficient). Of the 5 comparable vessels listed below with a 2025 return, 0 reported a lower CO₂ per nautical mile than this vessel.
Emissions by year2019–2025
| Year | CO₂ (t) | Fuel (t) | Distance (nm) | At sea (h) | At berth (t) | kg CO₂/nm | EEOI | Percentile |
|---|---|---|---|---|---|---|---|---|
| 2025 | 4,946 | 1,570 | 20,558 | 1,716 | 407 | 240.6 | 9.2 | 67 |
| 2024 | 2,733 | 870 | 12,147 | 1,013 | 90 | 225.0 | 9.8 | 72 |
| 2022 | 1,002 | 322 | — | 423 | 32 | 186.8 | 204.8 | not ranked |
| 2021 | 5,793 | 1,826 | 22,489 | 1,984 | 243 | 257.6 | 8.8 | 54 |
| 2020 | 8,099 | 2,585 | 29,231 | 2,455 | 580 | 277.1 | 7.5 | 39 |
| 2019 | 1,860 | 597 | 8,834 | 709 | 54 | 210.5 | 10.5 | 68 |
Vessel particulars
- IMO number
- 9718076
- Ship type
- Oil tanker
- Flag state
- Singapore per EU MRV 2025
- Port of registry
- Singapore MRV 2025
- Technical efficiency (design)
- EEDI (4.14 gCO₂/t·nm)
- Verifier
- AMERICAN BUREAU OF SHIPPING HELLENIC SINGLE MEMBER LIMITED LIABILITY COMPANY (ABS HELLENIC S.M. LTD), Greece
- Accreditation
- 1083-2
- Compliance document issued
- 2026-03-26
- Compliance document expires
- 2027-06-30
Efficiency against its own type2025
Position 971 of 1,448 qualifying oil tankers by EEOI, at the 67th percentile. The dashed line is the type median, 7.5; this vessel reported 9.2.
EEOI divides emissions by transport work, which for this vessel and year was 540,504,918 tonne-miles over 20,558 nautical miles.
Reported CO₂ by year
Reported CO₂ in 2025 was 165.9% higher than in 2019, for EU/EEA voyages only. No return is recorded for 2023, so the series has gaps.
From 2024 to 2025, emissions rose 81.0% while distance sailed rose 69.2%and CO₂ per nautical mile rose 6.9%.That points mainly to how much the vessel sailed, rather than the other.
Where the 2025 emissions occurred
Methane, nitrous oxide and EU ETS2025
- Total CO₂ equivalent
- 5,023 t
- Methane (CH₄)
- 0.08 t
- Nitrous oxide (N₂O)
- 0.28 t
- Under EU ETS
- 3,178 t, 64% of total
Laden voyages2025
- CO₂ on laden voyages
- 3,376 t, 68% of total
- Fuel, laden
- 1,073 t
- CO₂ per nm, laden
- 221.6 kg
The rest of the 2025 total was emitted on ballast legs or at berth.
Sources and how to read this
- Emissions: EU MRV publication (THETIS-MRV), reporting years 2019–2025, published by the European Commission.
This page draws on 6 MRV reporting years, an efficiency ranking and 1 of 5 vessel particulars. Not found in the sources for this vessel: AIS movements in Norwegian waters, a name history, a licensed photograph, a sanctions listing and US port state inspections.
Empty means unreported, never zero. How EEOI, distance, percentiles and sister ships are handled is explained under reading a vessel page. Something wrong? See corrections.