EXCLUSIVE: IMO discusses developments in Tier III NOx legislation at Integer Emissions Summit Europe

Niels Tholen - 7 July 2014

Dr Edmund Hughes, Senior Technical Officer at the International Maritime Organisation (IMO) discussed the roll-out and recent developments of Tier III marine emissions legislation at the Integer Emissions Summit in Dusseldorf, Germany. The new legislation, due to come into effect in January 2016, involves the implementation of NOx aftertreatment technology in new marine vessels.

Dr Hughes discussed the failed amendment proposed by the "Russian paper", which would have seen Tier III emissions legislation being postponed from 2016 to 2021. News of this paper and the IMO's proposed postponement was discussed at the 2013 Integer Emission Summit, also in Dusseldorf.

Tier III marine emissions legislation is now due to come into force for the North American Emission Control Area (ECA) from 2016. Other ECA's such as the Baltic Sea and North Sea are currently under consideration but no dates have been provided. Member states raised concerns that although Tier III legislation had an implementation date of 2016, ECA zones might not come into effect until after this date. The IMO stated that new vessels will have to comply with Tier III legislation if they operate in an established ECA zone such as North America; and if the ECA zone of interest comes into force after 2016, new vessels will have to comply with Tier III when the ECA zone comes into force. Yachts have been excluded from this regulation and do not need to comply until 2021.

The 10th Integer Emissions Summit Europe 2014 took place on 17-19 June at the Hilton Hotel Dusseldorf, Germany. Integer Research operates DiscoverDEF.com

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