This section and sections 8.16.370 and 8.16.380 of this chapter shall apply to all motor vehicles registered or subject to registration with the Oklahoma state tax commission in which, as new vehicles, motor vehicle pollution control devices have been installed by virtue of federal laws and regulations, in effect now and hereafter, requiring such devices to be installed. However, nothing in this chapter shall supersede or otherwise modify such federal laws and regulations, nor shall anything in this chapter be construed to require the installation of motor vehicle pollution control devices on motor vehicles not referred to by such federal laws and regulations. (Ord. 316 §24(a), 1970)