[Photo by Bayu Tiyo on Unsplash] Ask a bunker buyer who they bought their last stem from and you will usually get a company name. Ask what that company's role was in the transaction and the answer is less certain than it should be. The confusion is widespread and it is not the buyer's fault. The three roles in marine fuel supply are genuinely distinct in law and in risk, but the market presents them inconsistently, some companies perform more than one, and the commercial conv