What is Annex VI of MARPOL 73/78 (Regulations for the Prevention of Air Pollution from ships) and discharge regulations?

Applicability of annex VI (details)

This regulation shall apply to-

1. Each marine diesel engine with a power output of more than 130 KW installed in a ship.
2. Each marine diesel engine with a power output of more than 130 KW that undergoes a major conversion on or after 4 Jan 2000.

 Regulations shall not apply to-

1. A marine diesel engine installed on a ship solely engaged in voyages within waters subject to the sovereignty or Jurisdiction of the state flag of which the ship is entitled to fly provided that such an engine is subjected to an alternative NOx control measure established by the administration.
2. A marine diesel engine installed intended to be used solely for emergencies live L/B engine.

SO_X  Emission in  SECA (Sulphur  Emission Control Area)

Inside SECA

Before 1st July, 2010: –  1.5% Sulphur content in fuel.

From 1st July, 2010- 1st Jan, 2015: –  1.0% Sulphur content in fuel

On or after 1st Jan, 2015 :-  0.1% Sulphur content in fuel.