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The consortium from the energy and shipping industries will investigate on-board capture and storage, as well as offloading of captured carbon dioxide (CO2) to address the challenges and opportunities of deploying carbon capture technology on ships.

Project REMARCCABLE (Realising Maritime Carbon Capture to demonstrate the Ability to Lower Emissions) is the world’s first project aimed to demonstrate end-to-end shipboard carbon capture at scale. 

Image of Stena Impero courtesy of Stena Bulk


IMO target

In 2018, the International Maritime Organization (IMO) declared its ambition to halve the total annual GHG emissions from international shipping by 2050 compared to 2008 levels. To meet this target, the transition to low-/zero-carbon fuels and technologies is necessary.

The case for shipboard carbon capture

Although a lot of effort is going into the development of low and zero-carbon fuels, that development alone may not be fast enough to allow international shipping to meet IMO’s greenhouse gas emissions reduction targets. Projections indicate that 85% of the fuel mix for two-stroke engines will remain fossil-fuel based by 2030 and 34% by 2050 . Shipboard carbon capture can help reduce GHG emissions of current vessels, with the possibility of recycling captured CO2 to produce alternative fuels.

Three phases

The first phase involves conceptual design and front-end engineering design study (FEED) of the carbon capture system; this study is ongoing and is expected to be completed in the first quarter of 2023. 


Following the successful completion of phase one, and once consortium partners provide their backing, a second phase encompassing the engineering, procurement, and construction (EPC) of a prototype shipboard carbon capture system, including onshore commissioning, will be initiated.  


Phase three will focus on integrating the carbon capture system with the identified MR tanker and conducting sea trials. GCMD has awarded its concept study on offloading liquefied CO2 (LCO2) captured onboard ships to Lloyd's Register, supported by their partner Arup. The findings from this offloading study will inform the pilot in phase three of Project REMARCCABLE.


The study is supported by 23 Study Partners and 2 Observers. The study commenced in April 2023 and is expected to complete within 9 months.

Offloading study

Investigate onboard storage of captured CO2

Develop concepts to safely + accurately offload shipboard captured CO2

Assess the readiness of current infrastructure for LCO2 offloading

Generate CAPEX + OPEX models

for LCO2 offloading infrastructure, buildout + operation costs

Review + identify gaps in custody transfer, competency standards + regulatory approval

Validate + finalise findings with industry stakeholders

Study Partners

23 industry partners and 2 observers signed letters of collaboration to share confidential technical information with the consortium so a robust set of recommendations can be made to regulators.

LCO2 handling: Shell, Woodside Energy

SBCC solution providers: Alfa Laval, Panasia

Port regulators (as observers): Maritime and Port Authority of Singapore, Port of Rotterdam Authority

Port + storage terminal operators: Advario, Jurong Port, PSA

Vessel owners + operators + cargo owner: bp Shipping, BHP, BW Epic Kosan, Olympic Shipping, Eastern Pacific Shipping (EPS), Kawasaki Kisen Kaisha, Ltd ("K" Line), Hapag-Lloyd, Navigator Gas, Singapore Shipping Association (SSA), Pavilion Energy, Stena 

Shipyards + vessel designers: Keppel Offshore & Marine*, SeaTech Solutions (S) Pte Ltd, Sembcorp Marine*

Enablers: Boston Consulting Group (BCG), Emerson, Endress + Hauser, Gard

*Keppel Offshore & Marine and Sembcorp Marine merged in April 2023 and the new entity is rebranded Seatrium.

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