; or (2) make another safety upgrade to a school bus that demonstrably decreases the risk of injury or death to students in the event of an impact or rollover, including an upgrade designed to prevent a rollover. (d) Authorization of appropriations There is authorized to be appropriated to carry out the program established under subsection (a) $3,000,000,000. (e) Termination The program established under subsection (a) shall terminate on the date that is 2 years after the date on which the program is established.