PM10 / PM2.5 Particulate Matter
Particulate-matter emissions from marine engines. Mass scales roughly linearly with fuel sulphur; residual fuels produce ~10× more PM than LNG.
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Formula, assumptions, and limits
| Symbol | Meaning | Unit |
|---|---|---|
| Emission rate | g/kWh | |
| Base factor by engine type | g/kWh | |
| Fuel sulphur (mass fraction) | % | |
| Annual PM mass | t | |
| Engine power | kW | |
| Annual hours | h |
Source: EMEP/EEA 2023 Guidebook
In short
Particulate-matter emissions from marine engines as a function of fuel sulphur content and engine type.