Pursuant to the general authority of the city to regulate use of its streets pursuant to CVC Section 21001(c), it shall be unlawful for the driver of any vehicle to use or operate or cause to be used or operated within the city any retarder that results in excessive, loud and raucous, unusual, or explosive noise from such vehicle, except in an emergency. (Ord. 2431 NCS § 1 (part), 2012.)