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The Royal Society policy paper discusses ammonia as marine fuel

20 Feb 2020

Independent scientific academy The Royal Society on Wednesday (19 February) published a policy briefing Ammonia: zero-carbon fertiliser, fuel and energy store which considers the opportunities and challenges associated with the manufacture and future use of zero-carbon or green ammonia.

Included in the paper is a case study on the use of Ammonia as a bunker fuel by the shipping industry. 

The study noted a MAN Energy Solutions’ demonstration programme to retrofit current liquid natural gas marine engines to run on ammonia. 

The company is currently developing ammonia fuelled-engines based on current liquid natural gas technology and anticipate that the first ammonia engine could be in operation by early 2022. 

It is also in the process of obtaining flag state approval to use ammonia as a marine fuel in the IGC Code (International Code of the Construction and Equipment of Ships Carrying Liquefied Gases in Bulk). 

The study also noted accredited classification society, DNV-GL, with 24% of the market share in shipping, pursuing the use of ammonia as a marine fuel. 

Other developments include Lloyd’s Register granting Approval in Principle to SDARI (Shanghai Merchant Ship Design & Research Institute) for the design of a 180,000 ton ammonia-fuelled bulk carrier and announcing a project for an ammonia-fuelled 23,000 TEU ultra-large container ship (ULCS) concept design from MAN-ES and DSIC (Dalian Shipbuilding Industry Co). 

ABS (American Bureau of Shipping), MAN-ES and SDARI are collaborating to develop ammonia-fuelled feeder vessels, it notes.

Note: The full study Ammonia: zero-carbon fertiliser, fuel and energy store is available here.

Photo credit: The Royal Society

Published: 20 February, 2020

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