Amend CSHB 1, Article IX, Section 15 by striking Subsection 2 (a) and amending Subsection 2 (b) (pages IX-44 and IX-45 as follows: The rate of reimbursement for state employees, key officials, members of boards and commissions, and members of the legislature when they travel in their personally owned or leased aircraft within and without the boundaries of the State of Texas shall be forty cents (.40) per highway mile when traveling in single-engine aircraft and fifty-five cents (.55) per highway mile when travelling in twin-engine aircraft.