The first Tier-4 vessel in the world - Thanks to Harley Marine

The first Tier-4 vessel in the world is Powered by a Cat Engine! [B][U]The HMS Earl Redd[/U][/B] Christening.

Do any of you know much about Tier IV Technology? It will slowly replace Tier III.


Harley Marine - Keep up the great work.

EPA Tier 4 is eqv. to IMO Tier III, which has been compulsory for new vessels with keel laid after 01.01.2016 operating in North America and the Caribbean:

It is likely to be mandatory to meet IMO Tier III NOX emission for all ships operating within the European NECA by 01.01.2021: