301.070. 1. In determining fees based on the horsepower ofvehicles propelled by internal combustion engines, the horsepowershall be computed and recorded upon the following formulaestablished by the National Automobile Chamber of Commerce:Square the bore of the cylinder in inches multiplied by thenumber of cylinders, divided by two and one-half.
2. The horsepower of all motor vehicles propelled by steammay be accepted as rated by the manufacturers thereof, or may bedetermined in accordance with regulations promulgated by thedirector.
3. The horsepower of all motor vehicles, except commercialmotor vehicles, propelled by electric power, shall be rated asbeing between twelve and twenty-four horsepower.
4. Fees of commercial motor vehicles, other thanpassenger-carrying commercial motor vehicles, shall be based onthe gross weight of the vehicle or any combination of vehiclesand the maximum load to be carried at any one time during thelicense period, except the fee for a wrecker, tow truck, rollbackor car carrier used in a towing service shall be based on theempty weight of such vehicle fully equipped for the recovery ortowing of vehicles.
5. The decision of the director as to the type of motorvehicles and their classification for the purpose of registrationand the computation of fees therefor shall be final andconclusive.
(RSMo 1939 § 8370, A.L. 1943 p. 663, A.L. 1951 p. 695, A.L. 1992 H.B. 1794)Prior revisions: 1929 § 7763; 1919 § 7559