Methanol dual-fuel conversion retrofit
vendor claim — not yet independently measuredConverting the engine and fuel system to burn methanol. A lighter conversion than LNG (liquid fuel, simpler tanks); the CO2 benefit depends heavily on whether green or grey methanol is bunkered.
5–15%
CO₂ emissions reduction
€8,000k–20,000k
indicative capex band (vendor/literature prior)
45–90 days
drydock required
5,948
eligible vessels in our database
Which ships it suits
- Segments: Container ship, Oil tanker, Chemical tanker, Bulk carrier, Vehicle carrier
- Size: from 20,000 DWT
- Remaining service life: at least 12 years (payback must fit inside it)
- Engine: two-stroke main engines only
Addressable opportunity (CII band D/E fleet)
735
D/E vessels eligible for this measure
€5,880–14,700M
installed-base capex range
0.54–1.63 Mt
annual CO₂ reduction (claimed range × reported emissions)
Eligible vessels — worst CII band first
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Measured real-world outcomes
The reduction range above is a vendor claim. We continuously detect completed retrofits in shipyard-visit, equipment and EU MRV emissions data and measure the actual AER change. Measured results are published per measure once at least 30 controlled observations exist — until then, treat vendor ranges as ceilings: real-world delivery is consistently at or below the low end.
← Emissions & Retrofit Radar
· Segment radars:
Bulk Carrier, Container Ship, Oil Tanker, Chemical Tanker, Vehicle Carrier