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M. S. Notice 02 of 2012 - Prevention of Air Pollution-NOx Emissions limits for new engines-reg.
Applicable to:
Vessels other than RSV Category
Effective Date:
19.01.2012
Superseded Circulars:
Engineering Circular No.98 dated 25.11.2008, No. 137 dated 18.08.2011, Letter to M/s ICC Shipping Association, No. ENG/OPP/MARPOL- 38(5)/2004 dated 18.10.2011
Key Changes and Requirements
1. NOx Emission Limits for New Engines
New engines are classified into tiers based on their installation date:
- Tier I: Installed 1 Jan 2000 - 1 Jan 2011, 17.0 g/kWh
- Tier II: Installed 1 Jan 2011 - 1 Jan 2016, 14.4 g/kWh
- Tier III: Installed 1 Jan 2016 onwards, 3.4 g/kWh in ECAs
2. NOx Emission Limits for Existing Engines
Existing engines (>5000 kW, >90L/cylinder, built 1 Jan 1990 - 1 Jan 2000) must meet Tier I limits (17.0 g/kWh).
Compliance can be achieved through certification or upgrading systems.
3. RSV Category Vessels
Type 3 & 4 RSVs (built 1 Jan 2011 onwards) must comply with Tier II limits.
Type 1 & 2 RSVs (built 23 Feb 2012 onwards) must comply with Tier I limits.
7. Compliance: Mandatory for licence under section 406(3) of the M.S. Act, 1958, as amended.
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