Market Intelligence
GCMD Study Calls for Tighter Marine Biofuel Verification
A study by the Global Centre for Maritime Decarbonisation finds bunker delivery notes alone cannot ensure marine biofuel blends meet contracted renewable content levels.

Standard supplier declarations on bunker delivery notes are insufficient to guarantee that ship operators receive the full proportion of renewable content purchased in biofuel mixtures, according to a report from the Global Centre for Maritime Decarbonisation.
The Singapore-based organisation published its findings in a study examining quantity assurance across marine biofuel supply chains. While testing in the trials revealed no actual instances of under-blending, the organisation cautioned that stricter monitoring measures remain necessary across the sector.
Accurate verification of renewable components, typically consisting of hydrotreated vegetable oil or fatty acid methyl esters, is vital for vessel operators. These proportions directly govern compliance under regional environmental mechanisms, including FuelEU Maritime and the European Union Emissions Trading System.
Source attribution
This report was written by the Global Freight editorial desk based on material published by Bunkerspot. It is an original summary and analysis, not a reproduction of the source text. Figures and claims are limited to those present in the source material.
Marine biofuel supply chain trial shows no sign of under blending, but increased scrutiny still required – says GCMDGlobal Freight Briefing
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