Wyo. Stat. § 31-19-101: Definitions.

(a) Except as otherwise provided, as used in this chapter:

(i) "Rental vehicle" means as defined in W.S. 31-1-101(a)(xx) and includes u-drive-it rental vehicles;

(ii) "Rental vehicle agency" means any person who rents or offers for rental any vehicle, including a u-drive-it vehicle, without a driver for a period of thirty-one (31) days or less;

(iii) "Rental vehicle fleet" means one (1) or more rental vehicles rented or offered for rental in Wyoming without a driver for a period of thirty-one (31) days or less and includes both rental vehicles and u-drive-it vehicles;

(iv) "U-drive-it vehicle" means as defined in W.S. 31-1-101(a)(xxviii).