Chemical tanker · Marshall Islands flag
LONE STAR MARINER: CO₂ emissions 2024–2025
IMO 9902859 EU ETS2 reporting years
- CO₂ reported 2025
- 2,873 t
- Fuel burned
- 911 t
- Distance
- 10,972 nm
- Time at sea
- 919 h
- Emitted at berth
- 11% of total
- Share of year under way
- 10%
LONE STAR MARINER against its type
It is one of 474 chemical tankers here under the Marshall Islands flag, 20.2% of the 2,344 on the register. The returns for 2024–2025 all give Majuro as port of registry.
Its 2,873 t of CO₂ for 2025 is 48% below the median of 5,531 t among the 1,484 chemical tankers on this register that reported for 2025. Per nautical mile it emitted 261.9 kg CO₂, close to the type median of 250.2 kg. It logged 919 hours at sea against a median of 2,106 hours for its type that year. 10.8% of its 2025 emissions were at berth; the median for chemical tankers was 6.6%. Its efficiency percentile within the type went from 48 in 2024 to 8 in 2025 (lower is more efficient). Of the 5 comparable vessels listed below with a 2025 return, 4 reported a lower CO₂ per nautical mile than this vessel.
Emissions by year2024–2025
| Year | CO₂ (t) | Fuel (t) | Distance (nm) | At sea (h) | At berth (t) | kg CO₂/nm | EEOI | Percentile |
|---|---|---|---|---|---|---|---|---|
| 2025 | 2,873 | 911 | 10,972 | 919 | 310 | 261.9 | 7.7 | 8 |
| 2024 | 2,473 | 786 | 10,080 | 818 | 0 | 245.4 | 7.4 | 48 |
Vessel particulars
- IMO number
- 9902859
- Ship type
- Chemical tanker
- Length overall
- 183.0 m
- Beam
- 32.0 m
- Flag state
- Marshall Islands per EU MRV 2025
- Port of registry
- Majuro MRV 2025
- Technical efficiency (design)
- EEXI (4.09 gCO₂/t·nm)
- Verifier
- Nippon Kaiji Kyokai, Japan
- Accreditation
- VS-21325-01
- Compliance document issued
- 2026-02-26
- Compliance document expires
- 2027-06-30
Efficiency against its own type2025
Position 110 of 1,348 qualifying chemical tankers by EEOI, at the 8th percentile. The dashed line is the type median, 14.4; this vessel reported 7.7.
EEOI divides emissions by transport work, which for this vessel and year was 373,626,788 tonne-miles over 10,972 nautical miles.
Reported CO₂ by year
Reported CO₂ in 2025 was 16.2% higher than in 2024, for EU/EEA voyages only.
From 2024 to 2025, emissions rose 16.2% while distance sailed rose 8.8%and CO₂ per nautical mile rose 6.7%.
Where the 2025 emissions occurred
Methane, nitrous oxide and EU ETS2025
- Total CO₂ equivalent
- 2,918 t
- Methane (CH₄)
- 0.05 t
- Nitrous oxide (N₂O)
- 0.16 t
- Under EU ETS
- 1,905 t, 66% of total
Sources and how to read this
- Emissions: EU MRV publication (THETIS-MRV), reporting years 2024–2025, published by the European Commission.
This page draws on 2 MRV reporting years, an efficiency ranking and 2 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.