Ponderous Regulators are a Threat

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Flexible and timely compliance options needed

“The European Commission’s proposal for sulphur reduction in marine fuels is intended to be both flexible and neutral as regards the way in which compliance with the new limits can be achieved, leaving the choice of the most appropriate technology to the operators. Nevertheless, compliance needs to be achieved on time and at the scale required while minimising any possible unwanted collateral effects”

So says a paragraph from a European Commission staff working paper published in September 2011.

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Technology Advances K-Line

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K Line

Kawasaki Kisen Kaisha Ltd.  or K-Line  as it more widely known is one Japan’s largest shipping companies. A look at the group fleet page shows an impressive 73 containerships, 359 vessels in the bulk shipping division, 51 gas carriers and oil tankers and 67 other vessels, totaling some 41 million DWT.

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NOx Reduction by Exhaust Gas Recirculation – MAN explains

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When measured in the exhaust duct of a marine diesel engine nitrogen oxide or NOx emissions comprise about 95% nitric oxide (NO) and 5% nitrogen dioxide (NO2), which is formed as NO oxidises after the engine. The formation rate of the majority of nitric oxide is dependent on peak temperatures in the engine cylinders – above 1200oC the formation is significant and above 1500oC it becomes rapid.

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MARPOL Annex VI NOx Regulation Updated

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MARPOL Annex VI Regulation 13 – Nitrogen Oxides was updated at the 66th session of IMO’s Marine Environment Protection Committee, April 2014

Annex 12 of the final report of MEPC 66 gives the limits of Tier III NOx emissions and the construction dates of ships to which the regulation will apply when operating in the North American and US Caribbean ECAs and any new NOx ECAs. The document is available to the public by registering at: