Bulk Carrier 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 2024. Lower is greener. Pick a segment and size class to see the greenest vessels first.
CII band distribution
1,301 at D/E4,717 rated vessels · 519 of the D/E set dock within 12 months
Docking pipeline — D/E vessels per quarter
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 | 4,883 | 5–10% | €400k–1,200k | — | vendor claim |
| Bulbous bow reprofiling | 4,833 | 2–6% | €300k–900k | — | vendor claim |
| Turbocharger cut-out | 3,664 | 1–3% | €80k–250k | — | vendor claim |
| Rotor sails (per unit) | 3,455 | route-dependent | €1,500k–3,500k | — | vendor claim |
| Suction wing sails (per unit) | 3,455 | route-dependent | €1,000k–2,500k | — | vendor claim |
| Methanol dual-fuel conversion | 2,973 | 5–15% | €8,000k–20,000k | — | vendor claim |
Capex bands are indicative vendor/literature priors. Payback appears once price parameters are configured.
Retrofit opportunity in this segment
Retrofit prospects — worst band first
| Vessel | Band | Age | Drop year |
|---|---|---|---|
| STAITHES · 25-60k | E | 12y | 2026 |
| LANNA NAREE · 25-60k | E | 14y | 2026 |
| MAGNOLIA · 25-60k | E | 15y | 2026 |
| ASIAN PRIDE · 60-100k | E | 9y | 2026 |
| PERSEUS · 60-100k | E | 11y | 2026 |
| # | Vessel | Size (DWT) | Built | Carbon intensity — AER (g CO₂/dwt·nm) | Grade |
|---|---|---|---|---|---|
| 1503 |
NORD SOUND
IMO 9882982
|
63,343 | 2020 |
4.3
|
C |
| 1502 |
NEWSEAS CRYSTAL
IMO 9644835
|
63,548 | 2011 |
4.3
|
C |
| 1501 |
PROPEL SUCCESS
IMO 9640607
|
58,665 | 2012 |
4.3
|
C |
| 1500 |
LUCENT
IMO 9142215
|
46,609 | 1997 |
4.3
|
C |
| 1499 |
YM ADVANCE
IMO 9860685
|
63,509 | 2019 |
4.3
|
C |
| 1504 |
SDTR DORIS
IMO 9877860
|
84,998 | 2021 |
4.3
|
C |
| 1508 |
THETIS
IMO 9738208
|
63,205 | 2015 |
4.3
|
C |
| 1507 |
PU AN TONG
IMO 9593763
|
81,649 | 2012 |
4.3
|
C |
| 1509 |
ZHENG HENG
IMO 9593799
|
81,948 | 2012 |
4.3
|
C |
| 1510 |
SWAN
IMO 9350068
|
53,487 | 2006 |
4.3
|
C |
| 1511 |
SEA TREASURE
IMO 9885427
|
61,192 | 2020 |
4.3
|
C |
| 1513 |
ATLANTIC STAR
IMO 9473327
|
75,200 | 2011 |
4.3
|
C |
| 1515 |
ERENA
IMO 9433664
|
83,468 | 2011 |
4.3
|
C |
| 1514 |
DIONE
IMO 9729881
|
81,145 | 2017 |
4.3
|
C |
| 1512 |
MINOAN SEA
IMO 9623544
|
81,517 | 2016 |
4.3
|
C |
| 1518 |
LAURA
IMO 9700665
|
63,377 | 2015 |
4.3
|
C |
| 1517 |
CRIMSON GLORY
IMO 9732151
|
57,981 | 2015 |
4.3
|
C |
| 1516 |
STAR FIGHTER
IMO 9642198
|
61,455 | 2013 |
4.3
|
C |
| 1519 |
SHARP ISLAND
IMO 9748370
|
61,244 | 2016 |
4.3
|
C |
| 1521 |
LUVIA
IMO 9316220
|
55,317 | 2004 |
4.3
|
C |
| 1520 |
CLIPPER KATE
IMO 9721061
|
63,607 | 2017 |
4.3
|
C |
| 1524 |
ORION
IMO 9735945
|
63,473 | 2015 |
4.3
|
C |
| 1526 |
QING QUAN SHAN
IMO 9741530
|
63,473 | 2016 |
4.3
|
C |
| 1523 |
GEORG OLDENDORFF
IMO 9702596
|
80,866 | 2015 |
4.3
|
C |
| 1528 |
PACIFIC BLESSING
IMO 9848089
|
63,566 | 2019 |
4.3
|
C |
| 1527 |
IVS NORTH BERWICK
IMO 9740902
|
60,475 | 2016 |
4.3
|
C |
| 1522 |
CARAVOS LIBERTY
IMO 9653795
|
63,500 | 2013 |
4.3
|
C |
| 1525 |
AMIS NATURE
IMO 9787974
|
55,472 | 2018 |
4.3
|
C |
| 1536 |
FUAT BEY
IMO 9663817
|
35,437 | 2014 |
4.3
|
C |
| 1529 |
CASDA
IMO 9802267
|
64,012 | 2018 |
4.3
|
C |
| 1535 |
CENTURION
IMO 9914371
|
61,050 | 2015 |
4.3
|
C |
| 1534 |
ULTRA ANGEL
IMO 9812494
|
61,298 | 2017 |
4.3
|
C |
| 1533 |
GIFT
IMO 9625803
|
57,347 | 2012 |
4.3
|
C |
| 1532 |
CL BILIU HE
IMO 9890604
|
63,081 | 2020 |
4.3
|
C |
| 1531 |
EVA SHANGHAI
IMO 9863869
|
63,683 | 2021 |
4.3
|
C |
| 1530 |
SPAR CORVUS
IMO 9490791
|
58,000 | 2011 |
4.3
|
C |
| 1542 |
AM ZENICA
IMO 9669342
|
75,798 | 2010 |
4.3
|
C |
| 1543 |
NORSE VERACRUZ
IMO 9972048
|
40,026 | 2024 |
4.3
|
C |
| 1541 |
DORIC VALOUR
IMO 9426257
|
58,109 | 2011 |
4.3
|
C |
| 1546 |
SINOP
IMO 9644184
|
63,200 | 2013 |
4.3
|
C |
| 1545 |
DONOUSA
IMO 9284867
|
76,417 | 2004 |
4.3
|
C |
| 1544 |
BENJAMIN OLDENDORFF
IMO 9853034
|
62,623 | 2020 |
4.3
|
C |
| 1540 |
STAR COPENHAGEN
IMO 9699359
|
63,495 | 2015 |
4.3
|
C |
| 1539 |
SV ARISTA
IMO 9566564
|
61,649 | 2011 |
4.3
|
C |
| 1538 |
YANGZE 7
IMO 9718911
|
63,523 | 2014 |
4.3
|
C |
| 1537 |
KAVO AETOS
IMO 9290232
|
52,384 | 2003 |
4.3
|
C |
| 1550 |
SEABISCUIT
IMO 9619787
|
82,624 | 2014 |
4.3
|
C |
| 1549 |
BORDEAUX
IMO 9483229
|
55,621 | 2011 |
4.3
|
C |
| 1548 |
THOR MERCURY
IMO 9300221
|
55,862 | 2005 |
4.3
|
C |
| 1547 |
THOR CALIBER
IMO 9440928
|
58,732 | 2008 |
4.3
|
C |
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 2024 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.
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.