Bunker One Marks South America’s First Bioethanol Bunkering for Ocean-Going Container Ship

Bunker One has completed what it describes as South America’s first bioethanol refueling operation for an ocean-going container vessel, according to ShippingWatch.

The operation saw Bunker One supply CMA CGM’s vessel, named Iron, with 500,000 liters of bioethanol in Brazil, ShippingWatch reports. The bunkering was carried out to demonstrate that bioethanol can serve as a viable fuel option for large container ships operating on international routes.

A New Fuel Milestone for the Region

According to ShippingWatch, this marks the first time such a fuel delivery of this kind has taken place in South America for a vessel of this type. The report frames the operation as a demonstration project, aimed at showing the feasibility of bioethanol as an alternative marine fuel for ocean-going container shipping.

ShippingWatch’s report does not provide further technical specifications regarding the vessel’s engine configuration, fuel blend ratios, or the broader rollout plans, if any, for bioethanol bunkering in the region.

Does This Matter to You?

Alternative marine fuels remain a central topic across the shipping sector as operators and charterers navigate emissions regulations and fuel availability decisions. This bunkering operation, as reported by ShippingWatch, signals continued interest from major container lines such as CMA CGM in testing bioethanol as part of the broader fuel transition conversation.

For those monitoring fuel availability and bunkering infrastructure developments in South America, this operation may be an early indicator of expanding fuel options in the region. However, the source material does not clarify whether this represents a one-off demonstration or the beginning of a wider bioethanol bunkering program, so the longer-term implications for regional fuel supply chains are not yet clear based on available information.


Gulf Bunkering does not provide operational or security guidance. This article is for informational purposes only. Operators should consult flag state authorities, P&I clubs, and relevant advisories for decisions relating to transit planning.

Sources: ShippingWatch

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