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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)
#1,288 of 2,380 general cargos
CO₂ intensity
14.9 g CO₂/dwt·nm
vs segment average (13.95)
+7% higher
C
Bulk Carrier Container Ship Oil Tanker Chemical Tanker Gas Carrier LNG Carrier General Cargo Vehicle Carrier Refrigerated Cargo Ro-Ro Cargo

CII band distribution

516 at D/E
A 1,027B 685C 507D 261E 255

2,735 rated vessels · 242 of the D/E set dock within 12 months

Docking pipeline — D/E vessels per quarter

43
Q3
45
Q4
41
'27 Q1
38
'27 Q2
35
'27 Q3
33
'27 Q4
29
'28 Q1
33
'28 Q2

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

Top eligible retrofit measures for this segment

MeasureEligible CO₂ reductionCapex band PaybackConfidence
Propeller redesign / replacement 1,466 5–10% €400k–1,200k — vendor claim
Rotor sails (per unit) 631 route-dependent €1,500k–3,500k — vendor claim
Suction wing sails (per unit) 631 route-dependent €1,000k–2,500k — vendor claim
Bulbous bow reprofiling 572 2–6% €300k–900k — vendor claim
Turbocharger cut-out 530 1–3% €80k–250k — vendor claim
Shaft generator / PTO 101 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

245
D/E vessels with at least one eligible measure
€95–286M
capex range, top measure per vessel (245 of 245 with computable scaling)
0.06–0.11 Mt
annual CO₂ reduction available (vendor-claimed ranges × reported emissions)

Retrofit prospects — worst band first

VesselBand Age Drop year
PACIFIC INTEGRITY · <25k E 15y 2026
CLAUDIO CUCCO · <25k E 40y 2026
GINO CUCCO · <25k E 39y 2026
GIUSEPPE CUCCO · <25k E 49y 2026
LADY OF CHICHESTER · <25k E 56y 2026
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
3.13
greenest (g CO₂/dwt·nm)
14.48
segment median
# Vessel Size (DWT) Built Carbon intensity — AER (g CO₂/dwt·nm) Grade
1251 ELARA
IMO 9437323
 18,377 2010
14.7
C
1252 FRI BERGEN
IMO 9361122
 5,756 2009
14.7
C
1253 FRANZISKA
IMO 9535618
 10,872 2011
14.7
C
1254 ALAND
IMO 9147459
 3,246 1996
14.7
C
1255 MOEZELBORG
IMO 9180839
 9,732 1999
14.8
C
1256 AMADEUS PEARL
IMO 9995844
 3,811 2024
14.8
C
1257 SKYLGE
IMO 9508809
 8,398 2010
14.8
C
1258 AGN RAGNAR
IMO 9148104
 3,420 1996
14.8
C
1259 KAREWOOD GLORY
IMO 9281504
 6,315 2006
14.8
C
1260 ANNIE
IMO 9468097
 12,653 2010
14.8
C
1261 AZZARO
IMO 9213727
 8,733 2000
14.8
C
1262 ATALAYA TMA
IMO 9369291
 7,353 2008
14.8
C
1263 UNZILE ANA
IMO 9133367
 4,237 1996
14.8
C
1264 WES ESTHER
IMO 9953963
 3,809 2023
14.8
C
1265 KIRSI
IMO 9490179
 5,746 2012
14.8
C
1266 AMBERLAND
IMO 9518969
 5,724 2010
14.8
C
1267 ECOMAR
IMO 9951848
 5,433 2024
14.8
C
1268 FEED HELGELAND
IMO 9163635
 4,934 1999
14.8
C
1269 YUCATAN
IMO 9367841
 3,291 2005
14.8
C
1270 FWN ATLANTIDE
IMO 9535620
 10,872 2011
14.8
C
1271 BORE WAY
IMO 9892884
 6,768 2022
14.8
C
1272 KONINGSBORG
IMO 9155925
 9,067 1998
14.8
C
1273 DELTAGRACHT
IMO 9420801
 18,143 2009
14.8
C
1274 SUNA
IMO 9080986
 4,143 1994
14.8
C
1275 WILSON ECO I
IMO 1052139
 3,800 2024
14.8
C
1276 UAL AFRICA
IMO 9529243
 8,327 2011
14.8
C
1277 MORNING TIDE
IMO 9320506
 12,008 2006
14.8
C
1278 SEA EXPLORER
IMO 9516155
 9,736 2012
14.8
C
1279 JAEGER ARROW
IMO 9215347
 23,529 2001
14.8
C
1280 JUTLAND
IMO 9277345
 7,870 2004
14.8
C
1281 ERGE
IMO 9508603
 5,652 2010
14.8
C
1282 FULDATAL
IMO 9962988
 3,804 2024
14.8
C
1283 MERWEBORG
IMO 9142552
 9,732 1997
14.8
C
1284 BENABELL G.
IMO 9864772
 3,798 2021
14.8
C
1285 NORRLAND
IMO 9358278
 7,869 2006
14.8
C
1286 WES MADITA
IMO 9962990
 3,803 2024
14.8
C
1287 WILSON SUND
IMO 8918473
 6,486 1999
14.8
C
1288 KIKKI C
IMO 9558036
 6,805 2011
14.9
C
1289 HAPPY DOVER
IMO 9551959
 18,074 2011
14.9
C
1290 HABIBE ANA
IMO 9133355
 3,837 1995
14.9
C
1291 DEDEM
IMO 9001124
 3,490 1993
14.9
C
1292 SIDER VULCANO
IMO 9486312
 8,108 2010
14.9
C
1293 UGURS
IMO 9539793
 4,406 2007
14.9
C
1294 BALTIC COASTER
IMO 9963009
 3,806 2024
14.9
C
1295 UTE
IMO 9433339
 7,400 2008
14.9
C
1296 TIDE NAVIGATOR
IMO 9526083
 8,284 2011
14.9
C
1297 TARANTO
IMO 9133513
 3,005 1995
14.9
C
1298 SAFIYE ANA
IMO 9319947
 3,536 2004
14.9
C
1299 TAMAR
IMO 9341160
 9,402 2006
14.9
C
1300 RIX ATLANTIC
IMO 9194270
 4,150 1999
14.9
C
Page 26 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.