Chemical tanker · Liberia flag · built 2010
MARIOS G: CO₂ emissions 2018–2025
IMO 9418121 EU ETS6 reporting years
- CO₂ reported 2025
- 3,743 t
- Fuel burned
- 1,176 t
- Distance
- 8,758 nm
- Time at sea
- 1,958 h
- Emitted at berth
- 5% of total
- Share of year under way
- 22%
MARIOS G against its type
Built in 2010, it is the same age as the median chemical tanker on this register (build year 2010, 1,951 vessels with a known build year). It is one of 402 chemical tankers here under the Liberia flag, 17.2% of the 2,344 on the register. The same builder is recorded for 180 other vessels here, 53 of them chemical tankers. Its MRV returns name it MARIOS G for 2018–2021 and SUPER G for 2022–2025. The reported port of registry changed: Panama (2018–2022), then Monrovia (2025).
Its 3,743 t of CO₂ for 2025 is 32% below the median of 5,533 t among the 1,483 chemical tankers on this register that reported for 2025. Per nautical mile it emitted 427.4 kg CO₂, 1.7 times the type median of 250.2 kg. It logged 1,958 hours at sea against a median of 2,109 hours for its type that year. 5.0% of its 2025 emissions were at berth; the median for chemical tankers was 6.6%. Across 6 years with reported emissions, the highest was 2018 (9,773 t) and the lowest 2019 (203 t). Its efficiency percentile within the type went from 43 in 2018 to 66 in 2025 (lower is more efficient). The one sister ship listed below with a 2025 return reported a lower CO₂ per nautical mile.
Emissions by year2018–2025
| Year | CO₂ (t) | Fuel (t) | Distance (nm) | At sea (h) | At berth (t) | kg CO₂/nm | EEOI | Percentile |
|---|---|---|---|---|---|---|---|---|
| 2025 | 3,743 | 1,176 | 8,758 | 1,958 | 188 | 427.4 | 19.1 | 66 |
| 2022 | 4,358 | 1,381 | 13,126 | 1,198 | 300 | 332.1 | 21.8 | 71 |
| 2021 | 3,528 | 1,126 | — | 713 | 252 | 449.3 | 92.9 | not ranked |
| 2020 | 4,255 | 1,361 | 8,590 | 813 | 149 | 495.3 | 27.4 | 80 |
| 2019 | 203 | 65 | — | 55 | 0 | 299.2 | 12.4 | not ranked |
| 2018 | 9,773 | 3,115 | 21,259 | 2,810 | 613 | 459.7 | 15.4 | 43 |
Vessel particulars
- IMO number
- 9418121
- Previously reported as
- SUPER G
- Ship type
- Chemical tanker
- Length overall
- 183.0 m
- Year built
- 2010
- Flag state
- Liberia per EU MRV 2025
Sources disagree: Wikidata/AIS (undated) list Panama. The flag shown is from the newest official source, the EU MRV return for 2025. - Builder
- SPP Shipbuilding Co., Ltd.
- Port of registry
- Monrovia MRV 2025
- Technical efficiency (design)
- EEXI (4.93 gCO₂/t·nm)
- Verifier
- Bureau Veritas Certification France, France
- Accreditation
- 3-2047 rev. 4
- Compliance document issued
- 2026-03-23
- Compliance document expires
- 2027-06-30
Efficiency against its own type2025
Position 888 of 1,348 qualifying chemical tankers by EEOI, at the 66th percentile. The dashed line is the type median, 14.4; this vessel reported 19.1.
EEOI divides emissions by transport work, which for this vessel and year was 196,389,297 tonne-miles over 8,758 nautical miles.
Reported CO₂ by year
Reported CO₂ in 2025 was 61.7% lower than in 2018, for EU/EEA voyages only. No return is recorded for 2023, 2024, so the series has gaps.
From 2022 to 2025, emissions fell 14.1% while distance sailed fell 33.3%and CO₂ per nautical mile rose 28.7%.
Where the 2025 emissions occurred
Methane, nitrous oxide and EU ETS2025
- Total CO₂ equivalent
- 3,801 t
- Methane (CH₄)
- 0.06 t
- Nitrous oxide (N₂O)
- 0.21 t
- Under EU ETS
- 1,983 t, 53% of total
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).
This page draws on 6 MRV reporting years, an efficiency ranking, 4 of 5 vessel particulars and a name history. Not found in the sources for this vessel: AIS movements in Norwegian waters, 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.