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Bunker fuel,
explained.

Working references for charterers, technical managers, and ops teams. Regulation, procedure, documentation, and procurement — each guide is a self-contained primer.

01Guides
Regulation
ISO 8217 Specifications
The marine fuel standard that defines residual and distillate grade specifications globally.
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Regulation
IMO 2020 Sulphur Cap
The 0.50% global sulphur limit that reshaped marine fuel markets from 1 January 2020.
Read guide
Regulation
EU ETS & FuelEU Maritime
The EU's carbon pricing and GHG-intensity regulations now in force for shipping.
Read guide
Operations
Bunkering Procedure
Pre-delivery checks, sampling, quantity surveys, and the BDN sign-off sequence.
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Operations
Bunker Delivery Note
MARPOL Annex VI required BDN content, retention, and commercial implications.
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Operations
Bunker Quantity Survey
Third-party quantity verification — why, when, and how it protects your stem.
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Operations
Fuel Quality Testing
Pre-burn and post-delivery lab testing — ISO 8217 parameter validation.
Read guide
Procurement
How to Choose a Bunker Supplier
Physical supplier vs trader, credit, port coverage, documentation — the selection criteria.
Read guide
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