For use in this chapter, unless the context specifically indicates otherwise, the following terms are defined:

    1. “Motorized Scooters, Electrified Bicycles and Other Personal Transport Vehicles” means any two, three or four wheeled device that has handlebars, is designed to be stood upon by the operator, or equipped with a seat or saddle for use by a rider, and is powered by human propulsion and electrical/battery or a combination of energy sources with a power source of a combustion engine which has a piston or rotor displacement of no greater than fifty cubic centimeters or less regardless of the number of chambers in the power source or a power source which is electric and has a power output not more than one thousand watts and the power source is not capable of propelling the device at a minimum speed of twenty miles per hour up a three percent grade.  These vehicles are collectively known herein as PTVs. (Ord. 2005-0193)