| Starting year (January 1st) | Category 3 Ships | Category 1 & 2 Ships | |||
| Oceans | Emission Control Areas | EU Ports | California Coastal | ||
| 2010 | 4.5% | 1.0% | 0.1% | 0.5%* | 0.05% |
| 2012 | 3.5% | 1.0% | 0.1% | 0.1% | 0.0015% |
| 2015 | 3.5% | 0.1% | 0.1% | 0.1% | 0.0015% |
| 2020-(2025)** | 0.5% | 0.1% | 0.1% | 0.1% | 0.0015% |