In imposing a fine under this subsection, the court, in its discretion, may apportion payment of the fine between the driver of the vehicle and the owner of the vehicle according to the court's determination of the degree of fault for the violation.
For the purposes of this subsection, a truck-trailer combination and tractor-semitrailer combination, as they are defined in section 286-2, shall be considered as one vehicle.
HRS § 291C-131