price differential
(11) the term “price differential” means— (A) in the case of a purchased electric motor vehicle, the difference between the manufacturer’s suggested retail price of such electric motor vehicle and the manufacturer’s suggested retail price of a comparable conventionally fueled motor vehicle; and (B) in the case of a leased electric motor vehicle, the difference between the monthly lease payment of such electric motor vehicle over the life of the lease and the monthly lease payment of a comparable conventionally fueled motor vehicle over the life of the lease; and