Car-sharing is a service that allows individuals to rent cars for short periods, often by the hour or day. This system provides an alternative to traditional car ownership, making it easier for people to access a vehicle when needed without the costs of maintenance, insurance, and parking. Users typically sign up through a mobile app or website, where they can locate available cars nearby. After booking, they can unlock the vehicle using their smartphone. Car-sharing is popular in urban areas, as it promotes sustainability by reducing the number of cars on the road and encouraging shared transportation.