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Mon 6 Apr 2026, 05:11 GMT | Updated: Mon 6 Apr 2026, 08:48 GMT | Evangelia Fragouli

Methanol- and ammonia-ready container ship delivered to ONE


Approval in Principle obtained from Lloyd’s Register for future methanol and ammonia fuel conversion.

ONE Simplicity vessel.
The 13,900-teu boxship achieves an estimated 60% reduction in carbon dioxide emissions per tonne of cargo carried. Pictured: The container vessel One Simplicity. Image credit: Imabari Shipbuilding

A container ship featuring readiness for conversion to alternative fuels has been delivered to shipping company ONE.

The vessel, One Simplicity, was delivered on 30 March and has a container capacity of 13,932 TEU. Approval in Principle has been granted by Lloyd’s Register for future methanol and ammonia fuel conversion, and equipment for CO2 recovery equipment.

The ship is said to achieve an Energy Efficiency Design Index (EEDI) reduction of about 60% relative to the reference value, significantly surpassing the latest requirement.

The vessel’s fuel-efficiency performance is attributed to a hull form developed using advanced analysis technology and optimised for operating speed and draught conditions, together with energy-saving devices, a twist rudder and hull coatings designed to reduce friction with seawater. A bow wind cover has also been fitted to improve performance in real operating conditions.

To meet emissions rules, the ship has been equipped with a hybrid exhaust gas cleaning system (EGCS) for sulphur oxides (SOx) compliance and an exhaust gas recirculation (EGR) system for nitrogen oxides (NOx). Other environmental measures include ballast water treatment equipment and an inventory list prepared in line with the Ship Recycling Convention.

One Simplicity has an overall length of 335.94 metres, a breadth of 51 metres and a depth of 30.10 metres. The vessel has a gross tonnage of 140,233, is powered by a 7G95ME-C10.6 main engine, and has a service speed of about 22 knots.


Ammonia   Container ship   Methanol   Newbuild   Vessel delivery   Japan 
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