(1) Repealed.
(2) (a) to (c) Repealed.
(d) On and after January 1, 2008, state officers and employees shall be allowed a mileage allowance for each mile actually and necessarily traveled while on official state business calculated at ninety percent of the prevailing internal revenue service mileage reimbursement rate to the nearest cent, and, when authorized to be utilized and necessary for official state business, ninety-five percent of the prevailing internal revenue service mileage reimbursement rate to the nearest cent for four-wheel-drive vehicles and forty cents per nautical mile for privately owned aircraft.
(e) For purposes of this section, "four-wheel-drive vehicles" means sport utility vehicles and pick-up trucks with a four-wheel-drive transmission system. "Four-wheel-drive vehicles" shall not include standard vehicles with all-wheel-drive capability.
(f) Repealed.