General cargo ship · Antigua and Barbuda flag · built 2004
MARMOLOKAI: CO₂ emissions 2018–2025
IMO 9294977 MMSI 304676000EU ETS8 reporting years
- CO₂ reported 2025
- 7,418 t
- Fuel burned
- 2,359 t
- Time at sea
- 4,057 h
- Emitted at berth
- 2% of total
- Share of year under way
- 46%
- Gross tonnage
- 7,767
MARMOLOKAI against its type
Built in 2004, it is 3 years older than the median general cargo ship on this register, which was built in 2007 (2,852 vessels with a known build year). At 7,767 gross tonnage it is larger than 58% of the other 2,665 general cargo ships with a recorded tonnage. It is one of 381 general cargo ships here under the Antigua and Barbuda flag, 12.4% of the 3,081 on the register. The same builder is recorded for 34 other vessels here, 32 of them general cargo ships. Its MRV returns name it MARMOLOKAI for 2018, NOVA for 2019–2023 and ONEGO GLOMMA for 2024–2025. The returns for 2018–2025 all give Saint John's as port of registry.
Its 7,418 t of CO₂ for 2025 is 2.6 times the median of 2,820 t among the 2,469 general cargo ships on this register that reported for 2025. Per nautical mile it emitted 155.1 kg CO₂, 27% above the type median of 122.2 kg. It logged 4,057 hours at sea against a median of 3,044 hours for its type that year. 2.5% of its 2025 emissions were at berth; the median for general cargo ships was 4.3%. Across 8 years with reported emissions, the highest was 2025 (7,418 t) and the lowest 2019 (2,590 t). Of the 6 sister ships listed below with a 2025 return, 2 reported a lower CO₂ per nautical mile than this vessel.
Emissions by year2018–2025
| Year | CO₂ (t) | Fuel (t) | Distance (nm) | At sea (h) | At berth (t) | kg CO₂/nm | EEOI | Percentile |
|---|---|---|---|---|---|---|---|---|
| 2025 | 7,418 | 2,359 | — | 4,057 | 185 | 155.1 | — | — |
| 2024 | 7,290 | 2,325 | — | 4,057 | 115 | 163.2 | — | — |
| 2023 | 6,145 | 1,960 | — | 3,966 | 134 | 185.6 | — | — |
| 2022 | 6,885 | 2,192 | — | 3,483 | 232 | 158.4 | — | — |
| 2021 | 4,662 | 1,489 | — | 2,303 | 164 | 176.7 | — | — |
| 2020 | 5,494 | 1,755 | — | 3,034 | 122 | 217.0 | — | — |
| 2019 | 2,590 | 825 | 17,582 | 1,650 | 66 | 147.3 | 24.8 | 40 |
| 2018 | 5,460 | 1,744 | — | 3,456 | 83 | 222.1 | — | — |
Vessel particulars
- IMO number
- 9294977
- Previously reported as
- NOVA, ONEGO GLOMMA
- MMSI
- 304676000
- Call sign
- V2BQ2
- Ship type
- General cargo ship
- Gross tonnage
- 7,767
- Length overall
- 145.6 m
- Beam
- 18.3 m
- Year built
- 2004
- Flag state
- Antigua and Barbuda per EU MRV 2025
- Builder
- Damen Yichang Shipyard
- Port of registry
- Saint John's MRV 2025
- Ice class
- IA
- Technical efficiency (design)
- EEXI (9.79 gCO₂/t·nm)
- Verifier
- RINA HELLAS LTD, Greece
- Accreditation
- 1325
- Compliance document issued
- 2026-04-22
- Compliance document expires
- 2027-06-30
Efficiency against its own type2019
Position 155 of 381 qualifying general cargo ships by EEOI, at the 40th percentile. The dashed line is the type median, 28.8; this vessel reported 24.8.
EEOI divides emissions by transport work, which for this vessel and year was 104,607,028 tonne-miles over 17,582 nautical miles.
Reported CO₂ by year
Reported CO₂ in 2025 was 35.9% higher than in 2018, for EU/EEA voyages only.
From 2024 to 2025, emissions rose 1.7% and CO₂ per nautical mile fell 5.0%.Distance is missing for at least one of the two years, so activity and efficiency cannot be separated here.
Where the 2025 emissions occurred
Methane, nitrous oxide and EU ETS2025
- Total CO₂ equivalent
- 7,533 t
- Methane (CH₄)
- 0.12 t
- Nitrous oxide (N₂O)
- 0.42 t
- Under EU ETS
- 4,384 t, 59% of total
Observed movementsAIS · Norwegian waters
- First seen
- 05 Jul 2025
- Last seen
- 26 May 2026
- Days observed
- 12
- Positions
- 552
- Median speed
- 12.0 kn
Its recorded positions span 58.0°N to 62.3°N and 4.4°E to 8.4°E.
172 hourly points from 552 positions. Filled circle first, open circle last; squares are ports for orientation, not calls.
Positions recorded per month
Norwegian Coastal Administration open AIS, Norwegian waters only, 01 Jul 2025 to 27 Jul 2026. A gap means the vessel was not recorded here, not that it was idle or that a transponder was off.
Verifier history
| From reporting year | Verifier | Accredited in |
|---|---|---|
| 2018 | DNV | Germany |
| 2019 | AMERICAN BUREAU OF SHIPPING HELLENIC SINGLE MEMBER LIMITED LIABILITY COMPANY (ABS HELLENIC S.M. LTD) | Greece |
| 2020 | DNV | Germany |
| 2021 | Swiss Climate EcoCare GmbH | Germany |
| 2023 | NORMEC VERIFAVIA SAS | France |
| 2024 | RINA HELLAS LTD | Greece |
A change of verifier is not in itself a sign of anything being wrong.
Sources and how to read this
- Emissions: EU MRV publication (THETIS-MRV), reporting years 2018–2025, published by the European Commission.
- Vessel particulars: Wikidata (CC0).
- Movements: Norwegian Coastal Administration open AIS extract.
This page draws on 8 MRV reporting years, an efficiency ranking, 5 of 5 vessel particulars, AIS movements in Norwegian waters and a name history. Not found in the sources for this vessel: 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.