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The latest on carbon and cost efficient shipping

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Optimise your fuel strategy in seconds

PRODUCT UPDATE: Choosing the right fuel has never been more complex, or more important. With the new Optimiser function in the Siglar Carbon Estimator, you can now instantly identify which bunker fuel delivers the lowest combined cost across bunker, EU Allowances (EUAs), and FuelEU compliance.

Navigating complexity: Reflections on the IMO MEPC Extraordinary Session and what comes next

The IMO’s Extraordinary Session was meant to anchor a global decarbonisation framework for shipping. Instead, it revealed just how politically and economically complex that mission has become. With the adoption of the Net-Zero Framework deferred, the centre of gravity in carbon regulation is shifting, from global negotiation rooms to regional markets.

Carbon pricing: From regulatory talk to billion-dollar reality

Emissions pricing is no longer a distant regulatory threat, it’s a line item on the shipping industry’s balance sheet. In 2025 alone, the EU’s emissions schemes are set to add more than USD 6 billion in costs. And this is just the beginning.

Emission Schemes

Djibouti Sovereign Carbon Initiative

The Governments of Djibouti and Gabon have introduced sovereign carbon registry frameworks that apply a carbon cost to qualifying ship movements to and from their ports.

African Sovereign Carbon Initiatives: Countries Under Discussion

A growing number of African countries are in active discussion about introducing their own Sovereign Carbon Initiatives for maritime shipping, following the model pioneered by Djibouti (2023) and Gabon (2025). No schemes are yet in force in these countries, but the commercial direction of travel is clear: more African port calls are likely to carry a carbon cost in the coming years.

Türkiye Shipping Greenhouse Gas Emissions Fee

Türkiye has adopted a shipping-specific greenhouse gas fee intended to apply to greenhouse gas emissions from commercial ships calling at, or departing from, Turkish ports for cargo or passenger operations. The operational details are to be defined in secondary regulation that has not yet been published.

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"We want to help sustainable shipowners achieve higher fleet utilization and improved return on their green investments. "

Geir Olafsen, CDO Siglar
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