The heavy fuel oil burned in the massive diesel engines of commercial ships. It is a thick, low-grade residual product of the oil refining process, requiring heating before it can be pumped or injected into the engine. Due to its high sulfur content and emissions, its use is heavily regulated by international maritime environmental standards.
Heard on the job
The chief engineer reported we have enough bunker fuel to make Rotterdam without taking on more.
Also heard as
- bunkers
- heavy fuel oil
- HFO