; and (2) the effect that permanent implementation of the program would have on efforts to protect the United States against terrorist attacks. (c) Exemption from liability A dealer or rental company shall not be liable for any action taken in accordance with this pilot program under this section. (d) Definitions In this section: (1) The term covered rental vehicle means a truck, tractor, trailer, bus, semitrailer, or van with more than 15 passengers. (2) The terms dealer and rental company have the meanings given those terms in section 30102 of title 49, United States Code.