General Cargo Emissions & Retrofit Radar

Ships ranked by AER (Annual Efficiency Ratio) — grams of CO₂ emitted per tonne of deadweight carried one nautical mile (g CO₂/dwt·nm), the IMO carbon-intensity metric behind the CII rating — from official EU MRV emissions data for reporting year 2025. Lower is greener. Pick a segment and size class to see the greenest vessels first.

Segment rank (2025)

#2,381 of 2,380 general cargos

CO₂ intensity

30.3 g CO₂/dwt·nm

vs segment average (13.91)

+118% higher

Bulk Carrier Container Ship Oil Tanker Chemical Tanker Gas Carrier LNG Carrier General Cargo Vehicle Carrier Refrigerated Cargo Ro-Ro Cargo

CII band distribution

508 at D/E

A 1,032B 687C 508D 257E 251

2,735 rated vessels · 224 of the D/E set dock within 12 months

Docking pipeline — D/E vessels per quarter

'27 Q1

'27 Q2

'27 Q3

'27 Q4

'28 Q1

'28 Q2

Windows estimated from the class-expiry docking model, not bookings.

Top eligible retrofit measures for this segment

Measure	Eligible	CO₂ reduction	Capex band	Payback	Confidence
Propeller redesign / replacement	1,462	5–10%	€400k–1,200k	—	vendor claim
Rotor sails (per unit)	707	route-dependent	€1,500k–3,500k	—	vendor claim
Suction wing sails (per unit)	707	route-dependent	€1,000k–2,500k	—	vendor claim
Turbocharger cut-out	608	1–3%	€80k–250k	—	vendor claim
Bulbous bow reprofiling	566	2–6%	€300k–900k	—	vendor claim
Shaft generator / PTO	96	3–6%	€500–1,500/kW	—	vendor claim

Capex bands are indicative vendor/literature priors. Payback appears once price parameters are configured.

Retrofit opportunity in this segment

246

D/E vessels with at least one eligible measure

€96–287M

capex range, top measure per vessel (246 of 246 with computable scaling)

0.06–0.12 Mt

annual CO₂ reduction available (vendor-claimed ranges × reported emissions)

Retrofit prospects — worst band first

Vessel	Band	Age	Drop year	Req. reduction 2030	Dock window
PACIFIC INTEGRITY · <25k	E	15y	2026	99%	Jun 2026
CLAUDIO CUCCO · <25k	E	40y	2026	98%	Apr 2028
GINO CUCCO · <25k	E	39y	2026	98%	Dec 2028
GIUSEPPE CUCCO · <25k	E	49y	2026	98%	May 2028
LADY OF CHICHESTER · <25k	E	56y	2026	98%	Dec 2028

See all 2,735 rated general cargos with exposure and dock windows. Sign in →

Sort 🌱 Greenest first 🔧 Least efficient first — retrofit candidates

Size (DWT)

All sizes < 25,000 DWT 25k – 60k DWT 60k – 100k DWT 100k – 200k DWT > 200,000 DWT

Year

2025 2024

2,429

vessels ranked

3.18

greenest (g CO₂/dwt·nm)

14.44

segment median

#	Vessel	Size (DWT)	Built	Length	Main Engine	Carbon intensity — AER (g CO₂/dwt·nm)	Grade
2351	AMBER LIGHT IMO 9158109	4,433	2005	100 m	Deutz - TBD645L6	27.1	E
2352	EEMSLIFT NADINE IMO 9671436	4,428	2014	112 m	MAK/Caterpillar - 8M32C	27.1	E
2353	KARMSUND IMO 7724203	2,728	1979	89 m	7AXAG	27.2	E
2354	WILSON EMS IMO 9117117	1,536	1995	73 m	MWM - BV 6 M 628	27.2	E
2355	ANNETTE IMO 9266554	9,417	2003	152 m	MAN - 9L48/60	27.2	E
2356	HAJE HESEN IMO 9159373	7,385	1997	101 m	Akasaka - 6UEC33LSII	27.4	E
2357	AMANDA IMO 8104565	1,795	1981	81 m	Deutz - SBA8M528	27.5	E
2358	PANTHERA J IMO 9226700	7,072	2001	118 m	MAK/Caterpillar - 6M43	27.6	E
2359	SCL MERCURY IMO 9258193	8,097	2002	120 m	MAK/Caterpillar - MAK 6M43	27.6	E
2360	ANASTASIA K II IMO 8914166	3,182	1991	87 m	MAN - 6L28/32A	27.6	E
2361	HANNE DANICA IMO 9006239	2,191	1992	72 m	8-427-HTK	27.7	E
2362	CEG GALAXY IMO 8516263	1,318	1986	63 m	MWM - TBD440-6	27.7	E
2363	EEMSLIFT HENDRIKA IMO 9671486	4,432	2015	112 m	MAK/Caterpillar - 8M32C	27.8	E
2364	DINA IMO 9226786	4,372	2002	100 m	MAK/Caterpillar - 6M32	27.9	E
2365	DEFNE IMO 9378230	6,042	2008	116 m	MAK/Caterpillar - MAK 8 M 32 C	27.9	E
2366	RHOON-C IMO 9226164	2,126	2000	82 m	MAK/Caterpillar - 3512 B - TA	28.0	E
2367	MARIA IMO 9266566	9,422	2004	152 m	MAN - 9L48/60	28.0	E
2368	KARINA DANICA IMO 8903014	2,130	1991	69 m	AABENRAA MOTORFABRIK, AABENRAA DENMARK 8-427-HTK	28.3	E
2369	EEMSLIFT NELLI IMO 9671462	4,428	2013	112 m	MAK/Caterpillar - 8M32C	28.6	E
2370	PINTA IMO 9063299	2,803	1993	82 m	MWM - SBV8M628	28.7	E
2371	MICHALIS IMO 7383554	2,093	1974	82 m	Wichmann 6AXA	28.9	E
2372	EEMSLIFT ELLEN IMO 9671474	4,432	2014	112 m	MAK/Caterpillar - 8M32C	28.9	E
2373	INDUSTRIAL CHARGER IMO 9213959	7,428	2000	120 m	MAK/Caterpillar - 6M43	29.0	E
2374	RIVER MAS IMO 9228617	7,481	2001	120 m	MAK/Caterpillar - 6M43	29.0	E
2375	EEMSLIFT DAFNE IMO 9671448	4,428	2014	112 m	MAK/Caterpillar - 8M20C	29.0	E
2376	BBC GREENLAND IMO 9427079	7,536	2007	120 m	MAK/Caterpillar - MAK 7 M 43 C	29.2	E
2377	ABOUDI D IMO 9385817	8,759	2007	112 m	Mitsubishi - LH46L	29.5	E
2378	NYSAND IMO 8602012	1,738	1986	74 m	Deutz - SBV6M628	29.9	E
2379	YM ARAL IMO 9103805	3,268	1996	91 m	Wartsila 8R32E	30.1	E
2380	MARGARETHE IMO 9375886	3,342	2007	87 m	MAK/Caterpillar - 6M25	30.2	E

Page 48 of 48 — 2,380 vessels

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Engine intelligence

Which engines power the greenest fleets?

The main engine is the single largest CO₂ source on board — typically well over 80% of a ship's emissions come from propulsion. We aggregated this ranking the other way around: every engine design is scored by the measured carbon intensity of the vessels carrying it, licensee-built units merged under their design brand. The verdict from the 2025 data — modern dual-fuel designs like MAN B&W's ME-GI and WinGD's X-DF families, together with EGR/SCR-abated and ultra-long-stroke G-type engines, consistently power the most emission-friendly ships in service.

Emission-friendly engine ranking

AER (Annual Efficiency Ratio) = annual CO₂ emissions ÷ (deadweight × distance sailed), the IMO carbon-intensity metric used for CII ratings. It is built only from measured CO₂, distance and deadweight — not the self-reported cargo transport-work figure, which is unreliable. Implausible outliers (top 2% per segment) are excluded. Grade A–E reflects each vessel's rank within its segment. Source: EMSA THETIS-MRV.