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Use of Bio-fuel and its blends on Indian Ships

Applicable to: All Indian ships and bunker suppliers
Effective Date: 09.11.2023
Superseded Circulars: DGS Circular 18 of 2022

Key Changes and Requirements

1. Biofuel Definition and Scope — MEPC.1/Circ.795/Rev.6

Biofuel includes processed used cooking oils, FAME, FAEE, SVO, HVO, glycerol, or other biomass to liquid (BTL) type products.

  • Applicable to: Indian ships and bunker suppliers
  • Biofuel blends: Most likely compatible with MGO, LDO, DMB, and HFO

2. Biofuel and Blends Requirements

Biofuel should be free of deleterious materials and meet a declared standard, preferably ISO 8217.

  • Flash Point: Not less than 60°C (closed cup test - ISO 2719)
  • Sustainability Certification: ISCC or RSB equivalent
  • Test Results: Full ISO 8217 analysis, including kinematic viscosity, cold-flow properties, water content, acid number

3. Bunker Suppliers and Ship Owners/Managers

Existing suppliers can supply biofuels after implementing quality control procedures and informing IRS.

Ship owners/managers must carry out a vessel-specific risk analysis and obtain approval from a Recognized Organization.

  • Bunker Suppliers: Inform IRS and implement quality control procedures
  • Ship Owners/Managers: Conduct risk assessment, obtain approval, and submit required documents to RO
II/4  Annexure 1: Format of NOx Compliance Certificate
Important Note

Ship owners/managers must ensure that biofuel blends do not exceed 30% by volume for engines without NOx-affecting changes. For blends above 30%, consult engine manufacturers and obtain approval.

Download official PDF

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