What 10 ppm really means.
EN 590 limits sulphur in diesel to 10 mg/kg. We explain why that figure protects engines and how it is tested.
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Journal.
Journal
Notes for buyers on standards, trade terms and the markets we serve.
These short notes explain the specifications and documents that matter in a physical cargo.
CIF in plain language.
Who pays, who insures and when risk passes.
Documentary credits, step by step.
How a letter of credit protects both seller and buyer.
Reading a certificate of quality.
The lines on a certificate that matter most.
The Lomé corridor.
How fuel reaches Ouagadougou from the coast.
Choosing a bitumen grade.
60/70, 80/100 or VG30: climate and traffic decide.
