Vessels operating on biofuels, synthetic fuels and blends thereof The Directorate wishes to draw the attention of all concerned to MEPC.1/Circ.795/Rev.7, extending the scope of the unified interpretation (UI) of regulation 18.3 of MARPOL Annex VI concerning the use of biofuels to include synthetic fuels. For more information, please read the Technical Notice MARPOL.12 Rev.1 by clicking here. Should you have any questions concerning this or other matters, please contact Jotham Scerri-Diacono or any other member of the shipping team at Ganado Advocates. Go back