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 · 628 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 | 4,904 | 5–10% | €400k–1,200k | — | vendor claim |
| Bulbous bow reprofiling | 4,854 | 2–6% | €300k–900k | — | vendor claim |
| Turbocharger cut-out | 3,788 | 1–3% | €80k–250k | — | vendor claim |
| Rotor sails (per unit) | 3,571 | route-dependent | €1,500k–3,500k | — | vendor claim |
| Suction wing sails (per unit) | 3,571 | route-dependent | €1,000k–2,500k | — | vendor claim |
| Methanol dual-fuel conversion | 2,985 | 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 |
|---|---|---|---|---|---|
| 706 |
RB LEAH
IMO 9730830
|
81,334 | 2017 |
3.5
|
A |
| 701 |
G ATLANTIC
IMO 9284910
|
76,466 | 2004 |
3.5
|
A |
| 700 |
VELOS LIBRA
IMO 9710799
|
77,134 | 2014 |
3.5
|
A |
| 705 |
FENG HUANG FENG
IMO 9576806
|
75,396 | 2012 |
3.5
|
A |
| 703 |
CL CHENZHOU
IMO 9953339
|
64,741 | 2023 |
3.5
|
A |
| 702 |
EDELWEISS
IMO 9928396
|
81,946 | 2022 |
3.5
|
A |
| 707 |
CEMTEX ORIENT
IMO 9599169
|
98,704 | 2012 |
3.5
|
B |
| 709 |
UNION VOYAGER
IMO 9628946
|
81,964 | 2014 |
3.5
|
B |
| 708 |
NORTHERN VENTURE
IMO 9978779
|
64,621 | 2024 |
3.5
|
B |
| 713 |
OMISHIMA ISLAND
IMO 9642203
|
61,381 | 2013 |
3.5
|
B |
| 717 |
IKAN PELATA
IMO 9764104
|
64,071 | 2018 |
3.5
|
B |
| 712 |
GOLDEN JOHN
IMO 9955595
|
84,508 | 2023 |
3.5
|
B |
| 715 |
SAINT MYRON
IMO 9675597
|
77,116 | 2014 |
3.5
|
B |
| 714 |
CHAO TIAN MEN
IMO 9287778
|
77,684 | 2004 |
3.5
|
B |
| 711 |
ANGLO CYNOSURE
IMO 9599133
|
98,697 | 2012 |
3.5
|
B |
| 710 |
CL DALIAO HE
IMO 9880300
|
80,860 | 2020 |
3.5
|
B |
| 716 |
W-JADE
IMO 9673513
|
75,378 | 2014 |
3.5
|
B |
| 719 |
ULTRA DIVERSITY
IMO 9790854
|
63,490 | 2017 |
3.5
|
B |
| 718 |
TENDRA TRADER
IMO 9863821
|
63,591 | 2020 |
3.5
|
B |
| 720 |
YM OPUS
IMO 9518206
|
81,863 | 2015 |
3.5
|
B |
| 723 |
TAI KEENNESS
IMO 9884277
|
82,184 | 2022 |
3.5
|
B |
| 722 |
BELMOIRA
IMO 9873278
|
61,346 | 2020 |
3.5
|
B |
| 721 |
KIATING
IMO 9893802
|
37,391 | 2021 |
3.5
|
B |
| 727 |
TIMORSUN
IMO 9728174
|
81,839 | 2016 |
3.5
|
B |
| 726 |
BULK BEQUIA
IMO 9683128
|
61,309 | 2011 |
3.5
|
B |
| 725 |
CMB VAN DIJCK
IMO 9883106
|
63,667 | 2020 |
3.5
|
B |
| 724 |
ZHENG ZHI
IMO 9596090
|
81,804 | 2013 |
3.5
|
B |
| 730 |
GREEN K-MAX 1
IMO 9838058
|
80,856 | 2019 |
3.6
|
B |
| 736 |
MENARO
IMO 9718002
|
81,061 | 2013 |
3.6
|
B |
| 729 |
SANTA ACE
IMO 9951977
|
63,725 | 2022 |
3.6
|
B |
| 737 |
XIN XIANG SEA
IMO 9954967
|
64,182 | 2023 |
3.6
|
B |
| 728 |
ELITE STAR
IMO 9336581
|
75,395 | 2007 |
3.6
|
B |
| 731 |
SSI VIGILANT
IMO 9918743
|
63,861 | 2022 |
3.6
|
B |
| 735 |
PHOENIX
IMO 9609160
|
81,569 | 2010 |
3.6
|
B |
| 734 |
MEDI ZUOZ
IMO 9789910
|
61,175 | 2013 |
3.6
|
B |
| 733 |
MARIO
IMO 9875006
|
81,606 | 2020 |
3.6
|
B |
| 732 |
FANTASEA
IMO 9342827
|
76,596 | 2006 |
3.6
|
B |
| 750 |
PACIFIC EAST
IMO 9522661
|
176,357 | 2012 |
3.6
|
B |
| 749 |
TUO FU 8
IMO 9649249
|
81,721 | 2013 |
3.6
|
B |
| 748 |
SANTA GRACIELA
IMO 9518103
|
82,149 | 2013 |
3.6
|
B |
| 747 |
MOREA
IMO 9699880
|
63,280 | 2015 |
3.6
|
B |
| 746 |
LIA M
IMO 9525625
|
84,094 | 2013 |
3.6
|
B |
| 745 |
ZANTE
IMO 9727168
|
60,436 | 2015 |
3.6
|
B |
| 744 |
BRILLIANT VENUS
IMO 9326392
|
106,482 | 2008 |
3.6
|
B |
| 743 |
PHAR LAP
IMO 9590694
|
179,276 | 2011 |
3.6
|
B |
| 742 |
ES LEADER
IMO 9781009
|
64,012 | 2018 |
3.6
|
B |
| 741 |
RGL FIRST
IMO 9772864
|
82,215 | 2017 |
3.6
|
B |
| 740 |
KIRSTEN OLDENDORFF
IMO 9863091
|
81,285 | 2020 |
3.6
|
B |
| 739 |
PROGRESS TRADER
IMO 9936769
|
82,231 | 2022 |
3.6
|
B |
| 738 |
SANTA BRISA
IMO 9951771
|
63,367 | 2023 |
3.6
|
B |
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.