Cetane
Cetane rating, also known as cetane number, is a measurement of the quality or performance of diesel fuel. The higher the number, the better the fuel-air mixture combusts within the vehicle’s engine cylinders.
requires a cetane number (CN) of a minimum of 51.0 for summer diesel grade and 47.0 for winter diesel grade.
The SGS Worldwide Fuel Survey (WWFS) shows that the cetane number in diesel winter grade in 2020 was, on average, above the minimum of 47.0 (top figure). On average, the cetane number in diesel summer grade in 2021 met the legislative limit of min 51.0 (bottom figure).
Cetane number in sampled diesel fuel in Belarus
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Source: SGS INSPIRE based on data from SGS WWFS, 2023