1. Premium diesel fuel can have a cetane number as high as 60. 2. The cetane number of the fuel must not be fewer than 44. 3. Diesel fuels are characterized by their cetane number , cetane being an old name for hexadecane. 4. In Europe, diesel cetane numbers were set at a minimum of 38 in 1994 and 40 in 2000. 5. For diesel engines it depends on the type of fuel, for distillate fuels the cetane numbers are used. 6. Cetane numbers are tested using a special test engine and the existing engine was not made for residual fuels.7. It has a cetane number of zero, and was previously used as the lower reference for cetane number. 8. It has a cetane number of zero, and was previously used as the lower reference for cetane number . 9. Trucks and some cars use similar diesel fuel with a cetane number limit describing the ignition quality of the fuel. 10. Europe, for instance, has implemented a minimum Cetane Number ( 51 ) in its Diesel specification ( EN590)
