MARPOL Annex VI - NOx Tier II Limit
NOx emission limit for Tier II per MARPOL Annex VI Reg. 13 as a function of rated engine speed - the baseline cap for keel dates ≥ 2011-01-01.
NOx limit Tier II
14.40g/kWh
Formula, assumptions, and limits
Tier I 17/45/9.8 respectively; Tier III (ECA only) 3.4/9·n^-0.2/2. Measured per E2, E3, D2, C1 cycle as appropriate. Test on IMO NOx Technical Code 2008.
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| Rated engine speed | rpm | engine nameplate |