(a) Any other provision of law notwithstanding, the commissioner, subject to approval by the board, shall have the power to sell or trade surplus motor vehicles no longer needed by the department and use the proceeds from the sale or trade toward the purchase of new motor vehicles by the department.
(b) Subject to approval by the board, available funds, and Article 3 of Chapter 5 of Title 50, the commissioner is authorized, in his or her discretion, to purchase new motor vehicles for use by the department.
(c) The board shall promulgate rules and regulations to implement the provisions of this Code section. The disposition of motor vehicles by the department shall not be subject to Article 4 of Chapter 5 of Title 50 or subject to the procedures or approval of any other state agency.