Applicable definitions below:
"Diesel fuel." Any liquid, other than liquid fuels, which is suitable for use as a fuel in a diesel-powered highway vehicle. The term includes kerosene.
"Fuels." Includes diesel fuel and all combustible gases and liquids used for the generation of power in aircraft or aircraft engines or used in an internal combustion engine for the generation of power to propel vehicles on the public highways. The term does not include liquid fuels or dyed diesel fuel.