WHAT IS CETANE NUMBER?

Part# What is cetane number?

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What is Cetane Number?


Cetane number is a measure of the ignition quality of distillate fuels. It is measured using a single-cylinder engine that determines the compression-ignition quality. Higher cetane value improves cold start performance, reduces noise and may reduce emissions. An increase in cetane number above the engine's requirement may not improve performance. A cetane number of 40 is the current U.S. minimum requirement for diesel fuel.