Editing Cetane number (section)

{{Short description|Performance measurement of diesel fuel}}
{{Use mdy dates|date=March 2025}}
'''Cetane number''' ('''cetane rating''') ('''CN''')  is an indicator of the [[combustion]] speed of [[diesel fuel]] and compression needed for [[wikt:ignition|ignition]]. It plays a similar role for [[diesel fuel|diesel]] as [[octane rating]] does for [[gasoline]]. The CN is an important factor in determining the quality of diesel fuel, but not the only one; other measurements of diesel fuel's quality include (but are not limited to) energy content, [[density]], lubricity, cold-flow properties and sulfur content.<ref name=Ullmann>Werner Dabelstein, Arno Reglitzky, Andrea Schütze and Klaus Reders "Automotive Fuels" in ''Ullmann's Encyclopedia of Industrial Chemistry'', 2007, Wiley-VCH, Weinheim.{{doi|10.1002/14356007.a16_719.pub2}}</ref>