Chemical tanker · Malta flag
QUARTZ: CO₂ emissions 2018–2025
IMO 9694361 EU ETS8 reporting years
- CO₂ reported 2025
- 11,390 t
- Fuel burned
- 3,605 t
- Distance
- 30,996 nm
- Time at sea
- 3,914 h
- Emitted at berth
- 15% of total
- Share of year under way
- 45%
QUARTZ against its type
It is one of 218 chemical tankers here under the Malta flag, 9.3% of the 2,344 on the register. The returns for 2019–2025 all give Valletta as port of registry.
Its 11,390 t of CO₂ for 2025 is 2.1 times the median of 5,531 t among the 1,484 chemical tankers on this register that reported for 2025. Per nautical mile it emitted 367.4 kg CO₂, 47% above the type median of 250.2 kg. It logged 3,914 hours at sea against a median of 2,106 hours for its type that year. 14.9% of its 2025 emissions were at berth; the median for chemical tankers was 6.6%. Across 8 years with reported emissions, the highest was 2024 (16,073 t) and the lowest 2025 (11,390 t). Its efficiency percentile within the type went from 54 in 2019 to 70 in 2025 (lower is more efficient). Of the 5 comparable vessels listed below with a 2025 return, 5 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 | 11,390 | 3,605 | 30,996 | 3,914 | 1,693 | 367.4 | 20.5 | 70 |
| 2024 | 16,073 | 5,111 | 48,378 | 4,893 | 2,157 | 332.2 | 17.0 | 54 |
| 2023 | 14,013 | 4,432 | 38,569 | 4,233 | 2,672 | 363.3 | 21.0 | 67 |
| 2022 | 14,628 | 4,661 | 36,713 | 4,359 | 2,453 | 398.4 | 22.4 | 73 |
| 2021 | 11,426 | 3,643 | 32,682 | 3,566 | 1,692 | 349.6 | 18.1 | 60 |
| 2020 | 12,897 | 4,117 | 35,619 | 4,561 | 1,785 | 362.1 | 18.9 | 65 |
| 2019 | 13,223 | 4,184 | 39,163 | 5,959 | 2,621 | 337.6 | 17.4 | 54 |
| 2018 | 11,622 | 3,704 | — | 4,639 | 2,543 | 341.4 | — | — |
Vessel particulars
- IMO number
- 9694361
- Ship type
- Chemical tanker
- Flag state
- Malta per EU MRV 2025
- Port of registry
- Valletta MRV 2025
- Home port
- Valletta
- Technical efficiency (design)
- EEDI (4.11 gCO₂/t·nm)
- Verifier
- HELLENIC LLOYD'S S.A., Greece
- Accreditation
- 1190
- Compliance document issued
- 2026-03-26
- Compliance document expires
- 2027-06-30
Efficiency against its own type2025
Position 937 of 1,348 qualifying chemical tankers by EEOI, at the 70th percentile. The dashed line is the type median, 14.4; this vessel reported 20.5.
EEOI divides emissions by transport work, which for this vessel and year was 554,777,399 tonne-miles over 30,996 nautical miles.
Reported CO₂ by year
Reported CO₂ in 2025 was 2.0% lower than in 2018, for EU/EEA voyages only.
From 2024 to 2025, emissions fell 29.1% while distance sailed fell 35.9%and CO₂ per nautical mile rose 10.6%.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
- 11,567 t
- Methane (CH₄)
- 0.18 t
- Nitrous oxide (N₂O)
- 0.65 t
- Under EU ETS
- 9,678 t, 85% of total
Laden voyages2025
- CO₂ on laden voyages
- 9,696 t, 85% of total
- Fuel, laden
- 3,074 t
The rest of the 2025 total was emitted on ballast legs or at berth.
Verifier history
| From reporting year | Verifier | Accredited in |
|---|---|---|
| 2018 | Lloyd's Register Quality Assurance Ltd | United Kingdom |
| 2019 | HELLENIC LLOYD'S S.A. | 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.
This page draws on 8 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.