MEPC.337 bulk-carrier reference line.
Formula
$$ \text{CII}_\text{required} = 4745 \cdot \text{DWT}^{-0.622} \cdot (1 - Z) $$
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $DWT$ | Deadweight | t | tonnage certificate |
| $Z$ | Annual reduction | fraction | MEPC.338(76) |
Bulker d-boundaries: d1=0.86, d2=0.94, d3=1.06, d4=1.18 - tighter than tanker bands, reflecting uniform trading patterns.
Sources
- IMO MEPC.337/338/339(76).
- BIMCO bulker CII operational guidance.