The new International Maritime Organisation (IMO) decision to lower its global marine fuel sulphur limit to 0.5 percent in 2020 could cost Nigerian shipping companies over N1.8trillion in installation costs for exhaust gas abatement systems, an option which seems the most practical to ensure compliance.

On October 28, 2016, the IMO, a specialized agency of the United Nations, responsible for the global standard-setting authority for the safety, security and environmental performance of international shipping, formally decided to impose a global limit for sulphur in fuel oil used on board ships of 0.50% m/m (mass by mass) from 1 January 2020.

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