The Global Centre for Maritime Decarbonisation (GCMD) has released a new report offering a practical framework to help shipowners verify both the quantity and integrity of marine biofuel deliveries.
The guidance aims to address inconsistencies in supply‑chain measurement that can undermine confidence in biofuel uptake across the maritime sector.
The report outlines methods for improving transparency in bunkering operations, including enhanced documentation, standardised measurement protocols and clearer chain‑of‑custody procedures.
GCMD argues that better assurance mechanisms are essential as shipping companies increasingly turn to biofuels to meet decarbonisation targets.
By providing a structured approach to quantity verification, GCMD hopes to reduce disputes, improve operational reliability and support wider adoption of marine biofuels. The organisation notes that the guidance was developed in collaboration with industry stakeholders and reflects real‑world operational challenges.

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