If a motor vehicle is used in committing such an offense where the offense involves the unlawful disposal of more than seven cubic feet of trash, bottles or cans, refuse, rubbish, garbage, debris scrap, waste or any other materials and the motor vehicle is observed while the offense is in progress by an officer authorized to enforce this section, the officer may seize the vehicle and remove and store it or otherwise immobilize it by a mechanical device until (1) payment is made to the enforcing authority of a fine set by such enforcing authority up to the maximum fine which may be imposed under this section, (2) the illegally disposed of material is removed and legally disposed of, and (3) payment is made to the enforcing authority of its reasonable towing and storage charges, if any, for the seized vehicle. If, after payment of the above fine and towing and storage charges, the use of the seized vehicle is necessary to dispose of the material, the enforcing authority shall release the seized vehicle upon the posting of security sufficient to pay for the cost of legal disposal of the material...If a motor vehicle is used in committing such an offense, a conviction under this section shall forthwith be reported by the court to the registrar of motor vehicles, and the registrar may suspend the license of the operator of such vehicle for not more than thirty days, and if it appears from the records of the registrar of motor vehicles that the person so convicted is the owner of the motor vehicle so used, the registrar may suspend the certificate of registration of said vehicle for thirty days.