Chemical tanker · Malta flag · built 2015
CHEMICAL CHALLENGER: CO₂ emissions 2018–2025
IMO 9743758 EU ETS8 reporting years
- CO₂ reported 2025
- 6,590 t
- Fuel burned
- 2,089 t
- Distance
- 42,250 nm
- Time at sea
- 4,150 h
- Emitted at berth
- 3% of total
- Share of year under way
- 47%
- Gross tonnage
- 9,155
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CHEMICAL CHALLENGER against its type
Built in 2015, it is 5 years newer than the median chemical tanker on this register, which was built in 2010 (1,951 vessels with a known build year). At 9,155 gross tonnage it is smaller than 83% of the other 1,899 chemical tankers with a recorded tonnage. It is one of 218 chemical tankers here under the Malta flag, 9.3% of the 2,344 on the register. The same builder is recorded for 24 other vessels here, 16 of them chemical tankers. The reported port of registry changed: Panama (2018–2021), then VALLETTA (2022–2025).
Its 6,590 t of CO₂ for 2025 is 19% above the median of 5,533 t among the 1,483 chemical tankers on this register that reported for 2025. Per nautical mile it emitted 156.0 kg CO₂, 38% below the type median of 250.2 kg. It logged 4,150 hours at sea against a median of 2,109 hours for its type that year. 3.5% of its 2025 emissions were at berth; the median for chemical tankers was 6.6%. Across 8 years with reported emissions, the highest was 2023 (9,387 t) and the lowest 2018 (5,702 t). Its efficiency percentile within the type went from 32 in 2018 to 51 in 2025 (lower is more efficient). The one sister ship listed below with a 2025 return reported a higher or equal 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 | 6,590 | 2,089 | 42,250 | 4,150 | 230 | 156.0 | 14.7 | 51 |
| 2024 | 6,738 | 2,148 | 40,967 | 3,640 | 0 | 164.5 | 15.3 | 47 |
| 2023 | 9,387 | 2,967 | 46,147 | 3,758 | 899 | 203.4 | 20.5 | 65 |
| 2022 | 8,229 | 2,605 | 45,732 | 3,320 | 665 | 179.9 | 14.4 | 44 |
| 2021 | 9,375 | 2,962 | 49,680 | 3,533 | 1,435 | 188.7 | 18.6 | 62 |
| 2020 | 7,119 | 2,276 | 39,356 | 2,654 | 597 | 180.9 | 16.7 | 55 |
| 2019 | 8,141 | 2,602 | 42,952 | 2,985 | 954 | 189.5 | 15.7 | 45 |
| 2018 | 5,702 | 1,825 | 34,054 | 2,667 | 291 | 167.4 | 13.0 | 32 |
Vessel particulars
- IMO number
- 9743758
- Ship type
- Chemical tanker
- Gross tonnage
- 9,155
- Length overall
- 134.0 m
- Beam
- 21.6 m
- Year built
- 2015
- Flag state
- Malta 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
- Asakawa Shipbuilding
- Port of registry
- VALLETTA MRV 2025
- Home port
- VALLETTA
- Technical efficiency (design)
- EIV (12.96 gCO₂/t·nm)
- Verifier
- Nippon Kaiji Kyokai, Japan
- Accreditation
- VS-21325-01
- Compliance document issued
- 2026-04-07
- Compliance document expires
- 2027-06-30
Efficiency against its own type2025
Position 690 of 1,348 qualifying chemical tankers by EEOI, at the 51st percentile. The dashed line is the type median, 14.4; this vessel reported 14.7.
EEOI divides emissions by transport work, which for this vessel and year was 447,694,973 tonne-miles over 42,250 nautical miles.
Reported CO₂ by year
Reported CO₂ in 2025 was 15.6% higher than in 2018, for EU/EEA voyages only.
From 2024 to 2025, emissions fell 2.2% while distance sailed rose 3.1%and CO₂ per nautical mile fell 5.2%.That points mainly to how efficiently it sailed, rather than the other.
Where the 2025 emissions occurred
Methane, nitrous oxide and EU ETS2025
- Total CO₂ equivalent
- 6,693 t
- Methane (CH₄)
- 0.10 t
- Nitrous oxide (N₂O)
- 0.38 t
- Under EU ETS
- 3,906 t, 59% of total
Verifier history
| From reporting year | Verifier | Accredited in |
|---|---|---|
| 2018 | AMERICAN BUREAU OF SHIPPING HELLENIC SINGLE MEMBER LIMITED LIABILITY COMPANY (ABS HELLENIC S.M. LTD) | Greece |
| 2019 | Nippon Kaiji Kyokai | Japan |
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) and Wikimedia Commons.
This page draws on 8 MRV reporting years, an efficiency ranking, 5 of 5 vessel particulars and a licensed photograph. Not found in the sources for this vessel: AIS movements in Norwegian waters, a name history, 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.