“Owner” means any and/or every person who in any manner has the proprietary use, ownership, or control of any passenger carrying motor propelled vehicle.

“Person” includes any person, firm or corporation.

“Public transportation vehicles” means every motor propelled vehicle not otherwise defined in this section used in the business of transporting passengers over the streets of the City of Sebastopol irrespective of whether or not any fee, compensation, or consideration is paid for such transportation, excepting any transportation system operating over a fixed route under a certification of public convenience and necessity issued by the Public Utilities Commission.

“Taxicab” means any motor propelled vehicle used for the transportation of passengers who direct the route to be traveled over the streets and not operated over a fixed route for compensation including vehicles commonly known as limousines and sightseeing buses.