# Marine Cargo Emission Compliance Standards

*Last updated: 2026-06-25*

> Emission compliance standards for maritime cargo transport are the international and regional regulations capping pollutant output from cargo vessels, covering sulfur oxides (SOx), nitrogen oxides (NOx), and particulate matter.

Emission compliance standards for maritime cargo transport are the international and regional regulations capping pollutant output from cargo vessels, covering sulfur oxides (SOx), nitrogen oxides (NOx), and particulate matter. The primary framework is MARPOL Annex VI, adopted under the IMO, which sets global sulfur limits and tighter thresholds inside designated Emission Control Areas (ECAs). Shipping lines meet these requirements by using very low-sulfur fuel oil (VLSFO), fitting exhaust gas cleaning systems (scrubbers), or adopting alternative fuels such as LNG. Port state control authorities and classification societies verify compliance; violations can result in fines, vessel detention, or reputational damage. Shippers and freight forwarders should note that the inclusion of shipping in the EU Emissions Trading System (ETS) has begun to feed through directly into freight rate structures.

**Source:** [https://www.imo.org/en/OurWork/Environment/Pages/Air-Pollution.aspx](https://www.imo.org/en/OurWork/Environment/Pages/Air-Pollution.aspx)

## Quick Facts

| Property | Value |
|---|---|
| Term | Marine Cargo Emission Compliance Standards |
| Language | EN |
| Word count | 126 |
| Last updated | 2026-06-25 |
| Source | https://www.imo.org/en/OurWork/Environment/Pages/Air-Pollution.aspx |

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