Carsharing or car sharing (AU, NZ, CA, TH, & US) or car clubs (UK) refers to several models of car rental or car use, where people rent cars for short periods of time, often by the hour. It differs from traditional car rental in the process of collecting and returning the vehicle, often self-service in nature through an app and without entering an office or agency. It also often differs in the length of hire and the cost structure. In some models a commercial company owns the fleet and offers it for member use, while in others the owners are private individuals organised as a cooperative or ad hoc grouping, or that they list their vehicles as part of a car sharing facilitator, who is a separate entity, distinct from the car owner. Car sharing is part of a larger trend of shared mobility.
Car sharing can reduce traffic congestion and greenhouse gas emissions and improve air quality. The global market size for car sharing, valued at approximately US$7.3 billion in 2024, is projected to reach over $11 billion by 2032, with the Asia-Pacific region (particularly China) holding the largest market share (40% in 2024).
Car sharing began with early European cooperative models aimed at community resource sharing rather than commercial profit. The first documented instance was the Selbstfahrergemeinschaft (aka Sefage) cooperative in Zurich, Switzerland, established in 1948. [1] It was largely motivated by economic reasons, enabling individuals who could not afford to purchase cars to share access to one vehicle. [2] The operating model, centered around a small user group, was an early form of the Station-Based/Round-Trip service, where a vehicle was reserved and returned to its original location. [3] The 1970s saw more ambitious, though ultimately short-lived, experiments, including the coin-operated Procotip system in Montpelier, France (1971-1973) and the notable electric-vehicle-based Witkar in Amsterdam (1974-1988). [1] [4] These early programs struggled due to small scale and planning issues, demonstrating that convenience and high vehicle utilization were key to the model's eventual success. [3] Many other shared car experiments were attempted but were unable to grow large enough to sustain, among them: Green Cars (UK, 1977-1984), Bilpoolen (Lund, Sweden, 1976-1979), and Bilkooperativ (Gothenburg, 1985-1990). [5]
Car sharing saw a resurgence around the 1980s and 1990s with organised, membership-based car sharing programs, particularly in the US and Europe. These were mostly smaller non-profit, cooperative organizations, like StattAuto in Germany, which established viable operational models. [6] similar to initiatives in the Netherlands and in Sweden. [1] In the U.S., early programs like Mobility Enterprise (1983-1986) and the Short-Term Auto Rental (STAR) program in San Francisco (1983-1985) were similarly short-lived. [5] North America had a restart of in their carsharing movement in the 1990s, when Communauto was founded in Quebec City, Canada in 1994, followed shortly thereafter by the first official U.S. operator, CarSharing Portland, in Oregon in 1998, which started with one vehicle and a few neighbors. [7]
The growth of car sharing began in the early 2000s, driven by technological advances in communication and reservation systems, as well as rising urbanisation and environmental concerns. The 2000s also marked the commercialisation of car sharing with the launch of major, venture-backed companies. [8]
Founded in Cambridge, Massachusetts, in January 2000, Zipcar quickly established the commercial Station-Based model in the United States. The subsequent decade brought profound technological disruption via smartphones and GPS. This led to the introduction of the highly flexible Free-Floating (One-Way) model around 2008/2009 (pioneered by services like Car2go), allowing users to pick up and drop off vehicles anywhere within a defined service zone. At the same time, the Peer-to-Peer (P2P) model emerged, pioneered by platforms like Turo and Getaround, which expanded the accessible fleet by allowing private car owners to rent out their personal vehicles . Several car rental companies launched their own car sharing services beginning in 2008, including Avis on Location by Avis, Hertz on Demand (formerly known as Connect by Hertz [9] ), operating in the U.S. and Europe; Uhaul Car Share owned by U-Haul, and WeCar by Enterprise Rent-A-Car. [10] In 2010 Zipcar accounted for 80% of the U.S. car sharing market [10] [11] and half of all car-sharers worldwide. [12]
In the mid-2010s, car-sharing was becoming an international transportation trend, especially in metropolitan areas. [13] Car sharing also spread to other nations, including Brazil, Mexico, Turkey (Algita, Mobilizm, and YoYo), China, and India. Zarcar, founded in Rio de Janeiro in 2009, was the first car-sharing system in South America. [14] According to Moscow's authority, the number of carsharing journeys in the city averaged 30,000 a day between January and September 2018. [15]
The main factors driving the growth of carsharing were the rising levels of congestion faced by city dwellers, shifting generational mindsets about car ownership, the increasing costs of personal vehicle ownership and a convergence of business models. [16] [17]
Today car sharing operates on a large global scale, driven by rising traffic congestion, digital technologies, and a shift away from individual car ownership. All commercial models of car sharing - Station-Based, Free-Floating, P2P - coexist and are rapidly integrating technology like AI for fleet management.
The global market size for car sharing, valued at approximately US$7.3 billion in 2024, is projected to reach over $11 billion by 2032, with the Asia-Pacific region (particularly China) holding the largest market share (40% in 2024). [18] In Europe the car sharing market is expected to reach €4-5 billion by 2030. [19] A major industry trend is the increasing adoption of Electric Vehicles (EVs), supported by governments and consumer demand for sustainable transportation. [18]
One report predicts global car sharing membership to grow to 138.3 million by the end of 2029 and a total car sharing fleet of about 755,000 cars. The corporate carsharing market is forecasted to reach about 270,000 vehicles in 2029. [20]
Car sharing programs can either be commercial business-to-consumer (B2C) or peer-to-peer (P2P). Within commercial car sharing schemes (also known as car clubs), the most prominent models are Station-Based (round-trip) and Free-Floating (one way, A-to-B).
In the B2C model, a carsharing provider owns and maintains a fleet of vehicles accessible to members for short-term use. B2C car sharing can be station-based or one-way/free-floating.
Unlike traditional car hire, B2C car sharing is a fully automated, 24/7 self-service model. Having passed a one-time membership approval process, including background driving checks and payment verification, users can locate and unlock vehicles instantly via a mobile app. [22] [23] Rentals are by the minute or hour, and rates typically include the cost of fuel and insurance. [24] While traditional rentals typically focus on centralised hubs like airports, B2C carsharing vehicles are distributed throughout urban service areas, often placed near public transport to facilitate "last-mile" connectivity. [25] Unlike traditional rentals, vehicles are often maintainted and cleaned on a schedule but not between every individual use. Fleet operators utilize decentralized refueling methods, such as mobile fuel trucks used by Yandex.Drive, or rely on members to refuel when levels are low, with costs borne by the provider. [26] Additionally, although carsharing services meet the legal minimum insurance requirements, their insurance policies vary significantly, and the model has been criticised for providing lower liability coverage compared to the more comprehensive protections typically provided by established traditional car rental companies. [27] [28] [29]
With station-based (or round-trip) car sharing, the cars are permanently stationed at designated stations, typically reserved parking spaces. Members pick up the vehicle at the station, and must return it there. The car must usually be reserved for a specific amount of time in advance, and must be returned before that time ends. Payment is usually both by the hour, and by the distance driven. In exchange, a vehicle can be reserved days or weeks in advance, and it is often possible to reserve a specific type of vehicle, such as one with more seats or greater cargo capacity.
One-way car sharing enables users to begin and end their trip at different locations. The pick-up and drop-off locations can be either free floating zones or restricted to station-based models with designated parking locations. [30]
Most of one-way carsharing is today based on the free-floating model.[ citation needed ] In Europe in 2019, free floating services took up more than 65% of car sharing membership. [31]
As of 2017, free-floating car sharing is available in 55 cities and 20 countries worldwide, with 40,000 vehicles and serving 5.6 million users, with Europe and North America representing the majority of the market. By the end of 2022 the service was expected to reach 14.3 million users with more than 100,000 vehicles woldwide. [32] However, growth patterns vary among cities and some have reached a saturation point where no increased fleet size or additional service needed. [33]
Corporate car sharing
Companies may also use fleet cars when employees need vehicles occasionally rather than permanently, such as for meetings, site visits, or short business trips. Instead of assigning one car per employee, vehicles are shared among multiple users and booked when needed. [34]
Peer-to-peer car sharing, sometimes referred to as P2P or Personal Vehicle Sharing, is the process whereby existing car owners make their vehicles available for others to rent for short periods of time. [30]
P2P operates similarly to round-trip car sharing in trip and payment type. However, the vehicles themselves are typically privately owned or leased with the sharing system operated by a third-party. Third-party businesses screen participants (both owners and renters) and offer a technical platform, usually in the form of a website and mobile app, that brings these parties together, manages rental bookings and collects payment. Businesses take a share of the total income, which covers borrower/renter insurance, operating expenses, and roadside assistance. [35] [ better source needed ] In return they provide roadside assistance, customer service and vets renters with DMV checks. [36]
The operation of a modern carsharing service is dependent on technology that connects the vehicles to a central software platform and the user. While early systems used manual logbooks and key boxes, current services are almost entirely automated through fleet digitalization. [37] The core components of the technology are:
The in-vehicle device also collects telemetry data, such as the distance traveled and the duration of the trip, which is automatically sent back to the central server for billing purposes, completing the self-service process.
Transport is one of the largest sources of greenhouse gas emissions. To meet climate targets, car use needs to decline significantly, meaning fewer vehicles on the road and less driving overall (UNFCCC, 2021). [39] Car sharing, often organised through car clubs, has emerged as an alternative to private car ownership and a way to reduce car dependency.
Most studies suggest that car sharing results in a range of benefits including traffic congestion, air quality improvements and reductions in carbon footprints. [40] The primary mechanisms are that fewer cars are needed to service demand (lowering production emissions) and that, once people give up owning a car, they use other forms of transport more with the carshare vehicle used occasionally. The existence and size of any gains depend on the design of the system (station-based performs better than one way) and the travel behaviour of the participants before and after. [41] If people have already significantly reduced their car miles driven before giving up their car then the gains are smaller. Similarly, some people can access cars who previously would not have done so.
Car clubs specifically have been shown to lower car ownership and usage since their introduction in Europe and North America in the late 1980s. [41] Early studies found that many members sold their cars or delayed buying one after joining. [42] [43] [44] [45] A major review of 25 studies estimated that 20% of members gave up a car and 40% avoided buying a new one, with each shared car replacing about five private vehicles. [46] Later research suggests even greater impact: 9–13 cars per shared vehicle in North America [47] and 14–32 in the UK. [48] Car clubs often replace second household cars and encourage members to drive less and use public transport more. [49] [50] [51] Unlike carpooling or peer-to-peer sharing, car clubs operate fleets that are centrally managed by commercial providers. Thanks to newer vehicles and reduced driving, car clubs can cut carbon emissions by up to 18%. [52] [49] Members typically report driving 40–60% fewer miles, with over a quarter reducing annual mileage by more than half. [53] [46]
Car sharing schemes offer economic incentives by reducing vehicle ownership costs and enabling revenue generation from idle assets. In business-to-consumer (B2C) models, users benefit from lower expenses compared to personal car ownership (e.g.: upfront purchase, maintenance, insurance, and parking). [54] In the Netherlands, B2C car sharing reduced kilometers driven by 15-20% and mostly replaces ownership of second or third vehicles. [55] Peer-to-peer (P2P) models extend these advantages to vehicle owners, who earn income by renting out underutilised cars, while renters access diverse vehicles options at competitive rates. [56] Behavioural research suggests that perceptions of greater economic benefit can increase consumers' intent to use P2P systems relative to B2C models. [57]
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