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Home » Amsoil News » What Is Cetane and Why Does It Matter?

What Is Cetane and Why Does It Matter?

Diesel Gas Pump

In the same way that octane ratings indicate the ignition stability of gasoline, cetane values are assigned to diesel fuel to rate its combustion quality. Cetane numbers are used to indicate the combustion speed of diesel fuel. Diesel fuels with higher cetane ratings have shorter ignition delays, providing more complete combustion and allowing engines to

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