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3.7 BIOFUEL GUIDELINES AND DEFINITIONS
According MEPC.1/Circ.761 the following definitions are given.
Bio-fuels are ethyl alcohol, fatty acid methyl esters (FAME), vegetable oils (triglycerides)
and alkanes (C10-C26), linear and branched with a flashpoint of either 60°C or less or more
than 60°C, as identified in chapters 17 and 18 of the IBC Code or the MEPC.2/Circular/tripartite
agreements. Following the distribution of these guidelines, further bio-fuels identified as falling
under the scope of the guidelines, will be recorded in annex 11 of the MEPC.2/Circular which
deals with bio-fuel/petroleum oil blends.
When containing 75% or more of petroleum oil, the bio-fuel blend is subject to Annex I of MARPOL.
When containing less than 75% of petroleum oil, the bio-fuel blend is subject to Annex II of
MARPOL.
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