As used in this subpart-
“Leasing” means the acquisition of motor vehicles, other than by purchase from private or commercial sources, and includes the synonyms “hire” and “rent.”
“Motor vehicle” means an item of equipment, mounted on wheels and designed for highway and/or land use, that -
(1) Derives power from a self-contained power unit; or
(2) Is designed to be towed by and used in conjunction with self-propelled equipment.