Diesel fuel
Diesel fuel means any of the following:
(1) Any fuel commonly or commercially known as diesel fuel.
(2) Any fuel (including NP diesel fuel or a fuel blend that contains NP diesel fuel) that is intended or used to power a vehicle or engine that is designed to operate using diesel fuel.
(3) Any fuel that conforms to the specifications of ASTM D975 (incorporated by reference in ยง 1090.95) and is made available for use in a vehicle or engine designed to operate using diesel fuel.