Car rental services operate through a network of pickup or drop-off points and offer a range of vehicles that customers can pay to drive when required. Car rentals are a substitute to car ownership. In this system, vehicles are owned by a firm or organization that rents them to users for short periods by the day or through monthly or annual plans. Over the past three decades, car rentals have grown from a basic service provided by popular organizations to a widely recognized component of the urban transport industry. They are also quickly developing into a globalized industry that can provide many transportation, land use, environmental, and social benefits.