For the purposes of this article:

1. "Motor vehicle" or "vehicle" means and includes any automobile, truck, truck-tractor, bus, vehicle, engine, machine, mechanical contrivance, or other conveyance which is propelled by an internal combustion engine or motor and not used in the air or upon fixed rails or tracks;

2. "Use" means and includes the consumption of motor fuel by any person in a motor vehicle for the propulsion thereof upon the public highways of this state;

3. "Gasoline" means the same as the term "motor fuel," and the term "motor fuel" means and includes every petroleum product, fluid, or liquid, or any combination thereof, having an A.P.I. gravity of forty-six (46) degrees Fahrenheit and at atmospheric pressure, and shall include drip, casinghead or natural gasoline, benzol, naphtha, benzine and solvents, and shall include any liquid or fluid of less than forty-six (46) degrees A.P.I. gravity at a temperature of sixty (60) degrees Fahrenheit compounded, blended, manufactured, or otherwise produced by mixing or blending gasoline or naphthas with any blending materials, when the blended product can be used for generating power in internal combustion engines, regardless of how such liquid or fluid is made, compounded, manufactured or recovered, and regardless of the name by which such liquid or fluid may be known or sold;

4. "Diesel fuel" means diesel engine fuel, kerosene, and all other liquids suitable for the generation of power for the propulsion of motor vehicles except those products subject to the tax imposed by Section 500.4 of this title;

5. "Person" means and includes natural persons, individuals, partnerships, firms, associations, limited liability companies, corporations, estate, trustees, business trusts, syndicates, or any corporations or combinations acting as a unit or any receiver appointed by any state or federal court; and the use of the singular number shall include the plural number;

6. "Tax Commission" means the Oklahoma Tax Commission;

7. "Motor Fuel/Diesel Fuel Importer for Use" means and includes any person importing gasoline or motor fuel or diesel fuel into this state in the fuel supply tank or tanks of any motor vehicle or in any other containers for use in propelling said vehicle upon the highways of this state;

8. "Gallon" means the quantity of fluid or liquid at a temperature of sixty (60) degrees Fahrenheit necessary to completely fill a United States standard gallon liquid measure; and

9. "Public highways" means and includes every road, highway, street, way or place within this state, of whatever nature, generally open to the use of the public as a matter of right for the purposes of vehicular travel, including a toll highway, and including streets and alleys of any town or city notwithstanding that the same may be temporarily closed for the purpose of construction, reconstruction, maintenance, or repair.

Added by Laws 1963, c. 363, § 2, eff. July 1, 1963. Renumbered from § 6-601 of this title by Laws 1965, c. 215, § 2. Amended by Laws 1978, c. 220, § 26, eff. Jan. 1, 1979; Laws 1993, c. 366, § 34, eff. Sept. 1, 1993; Laws 1997, c. 284, § 3, eff. July 1, 1997.