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Glossary · Ocean

Bunker adjustment factor (BAF)

A bunker adjustment factor (BAF) is a supplemental charge for additional fuel cost caused by sudden increases in fuel prices.

BAF bunker adjustment factor, a supplemental charge for additional fuel cost due to sudden increases in fuel prices

Source: Calculation of Fuel, Currency, and Inland Freight Price, U.S. Department of Transportation (Volpe Center) for USTRANSCOM. Checked October 20, 2026.

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Definitions are general information, not legal advice. Rules differ by country; check the source and the current regulation before you act on one.

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