MARPOL ANNEX VI is considered to be one of the most important international marine environmental conventions, and thus the aim of Sigma Hellas with this website is to provide easily accessible up-to-date information for all relevant parties regarding emissions regulations and solutions we have available.


Certain statistics will assist you in understanding the importance and scale of numbers.


Size of world merchant fleet

Total 50.054 ships (October 2010): General cargo ships (16.224), bulk cargo ships (8.687), container ships (4.831), Tankers (13.175) Passenger ships (6.597).


Volume of world seaborne trade
Between 1992 and 2008, world seaborne trade increased from 17.541 billion in tonne miles to an estimated 32.746 billion tonne miles, an increase of around 85%.
Source: ICS 


Energy Efficiency
A modern very-large crude carrier (VLCC) of crude oil transport can carry the same quantity of cargo at twice that distance from 20 years ago using the same amount of energy. Furthermore, the marine diesel engines, the main driving means of the global trading fleet, consume significantly less fuel per kilowatt hour.