Oil tanker · Liberia flag · built 2008

AMOUREUX: CO₂ emissions 2018–2025

IMO 9337016 7 reporting years

CO₂ reported 2023: 11,932 t
Fuel burned: 3,796 t
Distance: 17,359 nm
Time at sea: 1,587 h
Emitted at berth: 12% of total
Share of year under way: 18%
Gross tonnage: 78,809

AMOUREUX against its type

Built in 2008, it is 2 years older than the median oil tanker on this register, which was built in 2010 (2,896 vessels with a known build year). At 78,809 gross tonnage it is larger than 69% of the other 2,841 oil tankers with a recorded tonnage. It is one of 718 oil tankers here under the Liberia flag, 20.2% of the 3,548 on the register. Its MRV returns name it AMOUREUX for 2018–2020, RIDGEBURY MARY JANE for 2021–2022 and CRONUS for 2023–2025. The reported port of registry changed: Majuro (2021–2023), then MONROVIA (2025).

Its 11,932 t of CO₂ for 2023 is 1.6 times the median of 7,491 t among the 1,850 oil tankers on this register that reported for 2023. Per nautical mile it emitted 687.4 kg CO₂, 1.7 times the type median of 408.5 kg. It logged 1,587 hours at sea against a median of 1,807 hours for its type that year. 11.5% of its 2023 emissions were at berth; the median for oil tankers was 8.4%. Across 6 years with reported emissions, the highest was 2019 (26,791 t) and the lowest 2021 (4,498 t). Its efficiency percentile within the type went from 22 in 2018 to 79 in 2023 (lower is more efficient).

No EU/EEA voyages were reported for 2025: zero CO₂ and zero time at sea, left out of the trend and of any ranking.

Emissions by year2018–2025

Year	CO₂ (t)	Fuel (t)	Distance (nm)	At sea (h)	At berth (t)	kg CO₂/nm	EEOI	Percentile
2025	No EU/EEA voyages reported
2023	11,932	3,796	17,359	1,587	1,372	687.4	12.1	79
2022	14,295	4,564	22,970	2,337	1,572	622.3	6.6	34
2021	4,498	1,437	9,549	943	224	471.1	5.1	14
2020	10,197	3,260	21,738	1,615	800	469.1	9.1	54
2019	26,791	8,541	52,296	4,197	2,997	512.3	5.5	18
2018	13,880	4,428	26,068	2,154	1,303	532.5	5.6	22

Vessel particulars

IMO number: 9337016
Previously reported as: RIDGEBURY MARY JANE, CRONUS
Ship type: Oil tanker
Gross tonnage: 78,809
Length overall: 274.0 m
Beam: 48.0 m
Year built: 2008
Flag state: Liberia per EU MRV 2025
Port of registry: MAJURO MRV 2023
Technical efficiency (design): EEXI (2.91 gCO₂/t·nm)
Verifier: DNV, Germany
Accreditation: VS-16026-01
Compliance document issued: 2024-07-03
Compliance document expires: 2025-06-30

Efficiency against its own type2023

Position 1,270 of 1,615 qualifying oil tankers by EEOI, at the 79th percentile. The dashed line is the type median, 8.0; this vessel reported 12.1.

EEOI divides emissions by transport work, which for this vessel and year was 985,270,850 tonne-miles over 17,359 nautical miles.

Reported CO₂ by year

Reported CO₂ in 2023 was 14.0% lower than in 2018, for EU/EEA voyages only. No return is recorded for 2024, so the series has gaps.

From 2022 to 2023, emissions fell 16.5% while distance sailed fell 24.4%and CO₂ per nautical mile rose 10.4%.That points mainly to how much the vessel sailed, rather than the other.

Where the 2023 emissions occurred

Verifier history

From reporting year	Verifier	Accredited in
2018	Lloyd's Register Quality Assurance Ltd	United Kingdom
2019	HELLENIC LLOYD'S S.A.	Greece
2021	DNV	Germany

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).

This page draws on 7 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.