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A robotaxi, also known as robot taxi, robo-taxi, self-driving taxi or driverless taxi, is an autonomous car (SAE automation level 4 or 5) operated for a ridesharing company.
Some studies have hypothesized that robotaxis operated in an autonomous mobility on demand (AMoD) service could be one of the most rapidly adopted applications of autonomous cars at scale and a major mobility solution, especially in urban areas. [1] Moreover, they could have a very positive impact on road safety, traffic congestion and parking. [2] [3] [4] [5] [6] Robotaxis could also reduce urban pollution and energy consumption, since these services will most probably use electric cars [7] and for most of the rides, less vehicle size and range is necessary compared to individually owned vehicles. [8] The expected reduction in number of vehicles means less embodied energy; [9] however energy consumption for redistribution of empty vehicles must be taken into account. [10] Robotaxis would reduce operating costs by eliminating the need for a human driver, which might make it an affordable form of transportation and increase the popularity of transportation-as-a-service (TaaS) as opposed to individual car ownership. [11] [12] [13] [14] Such developments could lead to job destruction [15] [16] and new challenges concerning operator liabilities. [17] In 2023, some robotaxis caused congestion when they blocked roads due to lost cellular connectivity, and others failed to properly yield to emergency vehicles. [18] As of 2023 [update] there has been only one fatality associated with a robotaxi, a pedestrian who was hit by an Uber test vehicle in 2018.
Predictions of the widespread and rapid introduction of robotaxis – by as early as 2018 – have not been realized. There are a number of trials underway in cities around the world, some of which are open to the public and generate revenue. However, as of 2021, questions have been raised as to whether the progress of self-driving technology has stalled and whether issues of social acceptance, cybersecurity and cost have been addressed. [19] [20]
So far all the trials have involved specially modified passenger cars with space for two or four passengers sitting in the back seats behind a partition. LIDAR, cameras and other sensors have been used on all vehicles. The cost of early vehicles was estimated in 2020 at up to US$400,000 due to custom manufacture and specialized sensors. [21] However, the prices of some components such as LIDAR have fallen significantly. [22] In January 2021, Waymo stated its costs were approximately $180,000 per vehicle, and its operating cost at $0.30 per mile (~$0.19 per km), well below Uber and Lyft, but this excludes the cost of fleet technicians and customer support. [23] Baidu announced in June 2021 it would start producing robotaxis for 500,000 yuan ($77,665) each. [24] Tesla has discussed a sub-$25,000 Tesla Robotaxi, and as of 2023 is designing an assembly line that will accommodate the vehicle. [25]
Several companies are testing robotaxi services, especially in the United States and in China. All operate only in a geo-fenced area. Service areas for robotaxis, also known as the Objective Design Domain (ODD), are specially designated zones where robotaxis can safely provide service. [26] As of 2024, Baidu's Apollo Go had carried the most passengers, over 6 million by April 2024. Other providers in China include AutoX, DiDi, Pony.ai, WeRide, all operating in 10 or more cities. In the US, Waymo is the most prominent provider, operating in San Francisco, Phoenix, and Los Angeles. A 2024 study of Waymo indicated an 85% reduction in injury crashes per mile driven. [27]
Separate to these efforts have been trials of larger shared autonomous vehicles on fixed routes with designated stops, able to carry between 6 and 10 passengers. These shuttle buses operate at low speeds.
In February 2018 Arizona granted Waymo a Transportation Network Company permit. [28]
In February 2022 the California Public Utilities Commission (CPUC) issued Drivered Deployment permits to Cruise and Waymo to allow passenger service in autonomous vehicles with a safety driver present in the vehicle. These carriers must hold a valid California Department of Motor Vehicles (DMV) Deployment permit and meet the requirements of the CPUC Drivered Deployment program. [29] In June 2022, Cruise received approval to operate a commercial robotaxi service in San Francisco. [30] [31]
In April 2022, China gave Baidu and Pony.ai its first permits to deploy robotaxis without safety drivers on open roads within a 23 square mile area in the Beijing Economic-Technological Development Area. [32] [33]
In August 2023, the CPUC approved granting additional operating authority for Cruise LLC and Waymo LLC to conduct commercial passenger service using vehicles without safety drivers in San Francisco. [34] The approval includes the ability for both companies to charge fares for rides at any time of day. [34]
In August 2016, MIT spinoff NuTonomy was the first company to make robotaxis available to the public, starting to offer rides with a fleet of 6 modified Renault Zoes and Mitsubishi i-MiEVs in a limited area in Singapore. [35] NuTonomy later signed three significant partnerships to develop its robotaxi service: with Grab, Uber’s rival in Southeast Asia, with Groupe PSA, which is supposed to provide the company with Peugeot 3008 SUVs and the last one with Lyft to launch a robotaxi service in Boston. [36] [37] [38] [39]
In August 2017, Cruise Automation, a self-driving startup acquired by General Motors in 2016, launched the beta version of a robotaxi service for its employees in San Francisco using a fleet of 46 Chevrolet Bolt EVs. [40] [41]
Trials listed have a safety driver unless otherwise indicated. The commencement of a trial does not mean it is still active.
Uber began development of self-driving vehicles in early 2015. In September 2016, the company started a trial allowing a select group of users of its ride-hailing service in Pittsburgh to order robotaxis from a fleet of 14 modified Ford Fusions. [67] The test extended to San Francisco with modified Volvo XC90s before being relocated to Tempe, Arizona in February 2017. [68] [69]
In March 2017, one of Uber's robotaxis crashed in self-driving mode in Arizona, which led the company to suspend its tests before resuming them a few days later. [70] [71] In March 2018, Uber paused self-driving vehicle testing after the death of Elaine Herzberg in Tempe, Arizona, a pedestrian struck by an Uber vehicle while attempting to cross the street, while the onboard engineer was watching videos. [72] Uber settled with the victim's family. [73] [72]
In January 2021, Uber sold its self driving division, Advanced Technologies Group (ATG), to Aurora Innovation for $4 billion while also investing $400 million into Aurora for a 26% ownership stake. [74] [75]
In early 2017, Waymo, the Google self-driving car project which became an independent company in 2016, started a large public robotaxi test in Phoenix using 100 and then 500 more Chrysler Pacifica Hybrid minivans provided by Fiat Chrysler Automobiles as part of a partnership between the two companies. [76] [77] [78] Waymo also signed a deal with Lyft to collaborate on self-driving cars in May 2017. [79] In November 2017, Waymo revealed it had begun to operate some of its automated vehicles in Arizona without a safety driver behind the wheel. [80] And in December 2018, Waymo started self-driving taxi service, dubbed Waymo One, in Arizona for paying customers. [45] By November 2019, the service was operating autonomous vehicles without a safety backup driver. [81] [82] The autonomous taxi service was operating in San Francisco as of 2021. [83] In December 2022, the company applied for a permit to operating self-driving taxi rides in California without a human operator present as backup. [84]
In September 2019, Baidu's autonomous driving unit Apollo launched Apollo Go robotaxi service, with an initial fleet of 45 autonomous vehicles. Apollo Go has since expanded to more than 10 Chinese cities. [85]
In August 2022, Baidu achieved a landmark victory in the race for autonomous vehicles by securing the first permits in China to deploy fully driverless taxis in the cities of Wuhan and Chongqing. [86]
In May 2024, Baidu unveiled the Apollo ADFM, claimed to be the world's first Level 4 autonomous driving foundation model, along with the sixth-generation Apollo Go robotaxi, which can be produced for under $30,000. [87] The company also said by April 2024, Apollo had accumulated over 100 million kilometers of autonomous driving without major accidents.
In August 2024, Apollo Go has deployed 400 robotaxis operating fully autonomously without any safety personnel on board in Wuhan, offering 24/7 service to 9 million residents. [88] Baidu aims for Apollo Go to achieve operational unit breakeven in Wuhan by the end of 2024.
In January 2020, GM subsidiary Cruise exhibited the Cruise Origin, a Level 4–5 driverless vehicle, [89] intended to be used for a ride hailing service. [90]
In February 2022, Cruise started driverless taxi service in San Francisco. [61] [91] Also in February 2022, Cruise petitioned U.S. regulators (NHTSA) for permission to build and deploy a self-driving vehicle without human controls. [92] As of April 2022 [update] , the petition is pending. [93]
In April 2022, their partner Honda unveiled its Level 4 mobility service partners to roll out in central Tokyo in the mid-2020s using the Cruise Origin. [94]
Unfortunately, there are signs that autonomously operated Cruise vehicles may interfere with emergency vehicles, [95] and has been culpable of at least one collision with a fire truck. [96]
On 2 October 2023, a Cruise vehicle operating autonomously (without driver supervision) collided with a pedestrian. Instead of stopping immediately, the vehicle misidentified the collision mechanics and presumed it was crashed into from the side. Consequently, the vehicle proceeded to drag the pedestrian under the car for 20 ft (6.1 m) until it came to a stop on the side of the road. As both the response of the vehicle was deemed unacceptable and the company appears to have withheld details of the crash from regulators, California regulators revoked the license to operate these cars. Cruise recalled all of its 950 vehicles in November 2023. [95] [97]
These decisions were enacted in parallel with the exposure of safety risks, identified earlier within the Cruise company, regarding proper vehicle behavior around children and around construction sites. [98]
Since 2019, Tesla's CEO Elon Musk has incorrectly predicted each year that Tesla would have robotaxis on the road within 1 to 2 years. [99] He was expected to announce the plans for Tesla's robotaxi on 8 August 2024, [99] but the event was moved to 10 October 2024. [100] During that event Tesla demonstrated two new vehicles, the two-seater Tesla Cybercab and the 14-seater (plus standing room) Tesla Robovan, which can carry up to 20 passengers. The company also reiterated that all of their other models of cars and pickup trucks would be usable as robotaxis after a software update and regulatory approval, which they expected at the earliest in California and Texas in 2025.
Many automakers announced their plans in 2015–2018 to develop robotaxis before 2025 and specific partnerships have been signed between automakers, technology providers and service operators, including:
A self-driving car, also known as a autonomous car (AC), driverless car, robotaxi, robotic car or robo-car, is a car that is capable of operating with reduced or no human input. Self-driving cars are responsible for all driving activities, such as perceiving the environment, monitoring important systems, and controlling the vehicle, which includes navigating from origin to destination.
Uber Technologies, Inc. is an American multinational transportation company that provides ride-hailing services, courier services, food delivery, and freight transport. It is headquartered in San Francisco, California, and operates in approximately 70 countries and 10,500 cities worldwide. It is the largest ridesharing company worldwide with over 150 million monthly active users and 6 million active drivers and couriers. It facilitates an average of 28 million trips per day and has facilitated 47 billion trips since its inception in 2010. In 2023, the company had a take rate of 28.7% for mobility services and 18.3% for food delivery.
Vehicular automation is the use of technology to assist or replace the operator of a vehicle such as a car, truck, aircraft, rocket, military vehicle, or boat. Assisted vehicles are semi-autonomous, whereas vehicles that can travel without a human operator are autonomous. The degree of autonomy may be subject to various constraints such as conditions. Autonomy is enabled by advanced driver-assistance systems (ADAS) of varying capacity.
Lyft, Inc. is an American company offering mobility as a service, ride-hailing, vehicles for hire, motorized scooters, a bicycle-sharing system, rental cars, and food delivery in the United States and select cities in Canada. Lyft sets fares, which vary using a dynamic pricing model based on local supply and demand at the time of the booking and are quoted to the customer in advance, and receives a commission from each booking. Lyft is the second-largest ridesharing company in the United States after Uber.
Waymo LLC, formerly known as the Google Self-Driving Car Project, is an American autonomous driving technology company headquartered in Mountain View, California. It is a subsidiary of Alphabet Inc.
Mobileye Global Inc. is an Israeli autonomous driving company. It is developing self-driving technologies and advanced driver-assistance systems (ADAS) including cameras, computer chips, and software. Mobileye was acquired by Intel in 2017 and went public again in 2022.
A ridesharing company, ride-hailing service, is a company that, via websites and mobile apps, matches passengers with drivers of vehicles for hire that, unlike taxis, cannot legally be hailed from the street.
Yandex Taxi is an international company operating taxi hailing and food delivery services across Russia, the CIS, Eastern Europe. It is owned by Russian tech company Yandex. The company is among the world's leading developers of self-driving technology.
Argo AI LLC was an autonomous driving technology company headquartered in Pittsburgh, Pennsylvania. The company was co-founded in 2016 by Bryan Salesky and Peter Rander, veterans of the Google and Uber automated driving programs. Argo AI was an independent company that built software, hardware, maps, and cloud-support infrastructure to power self-driving vehicles. Argo was mostly backed by Ford Motor Co. (2017) and the Volkswagen Group (2020). At its peak, the company was valued at $7 billion.
Cruise LLC is an American self-driving car company headquartered in San Francisco, California. Founded in 2013 by Kyle Vogt and Dan Kan, Cruise tests and develops autonomous car technology. The company is a largely autonomous subsidiary of General Motors. Following a series of incidents, it suspended operations in October 2023, and Kyle Vogt resigned as CEO in November 2023. The company began returning its vehicles to public roads in May 2024.
A self-driving truck, also known as an autonomous truck or robo-truck, is an application of self-driving technology aiming to create trucks that can operate without human input. Alongside light, medium, and heavy-duty trucks, many companies are developing self-driving technology in semi trucks to automate highway driving in the delivery process.
Drive.ai, a subsidiary of Apple Inc., is an American technology company headquartered in Mountain View, California that uses artificial intelligence to make self-driving systems for cars. It has demonstrated a vehicle driving autonomously with a safety driver only in the passenger seat. To date, the company has raised approximately $77 million in funding. Drive.ai's technology can be modified to turn a vehicle autonomous.
Zoox, Inc. is a subsidiary of Amazon developing autonomous vehicles that provide mobility as a service. It is headquartered in Foster City, California and has offices of operations in the San Francisco Bay Area and Seattle, Washington. Zoox sits in the Amazon Devices & Services organization alongside other Amazon units like Amazon Lab126, Amazon Alexa, and Kuiper Systems.
Yandex self-driving car is an autonomous car project of the Russian-based technology company Yandex. The first driverless prototype launched in May 2017. As of 2018, functional service was launched in Russia with prototypes also being tested in Israel and the United States. In 2019, Yandex revealed autonomous delivery robots based on the same technology stack as the company's self-driving cars. Since 2020, autonomous robots have been delivering food, groceries and parcels in Russia and the United States. In 2020, the self-driving project was spun-off into a standalone company under the name of Yandex Self-Driving Group. In 2024, Yandex SDG relaunches as Avride, following parent Nebius Group's divestment of Yandex.
Pony.ai is a global autonomous vehicle technology company co-located in Silicon Valley, Beijing, and Guangzhou.
WeRide Inc. is an international L4 autonomous driving technology company. WeRide is the only tech company in the world that holds driverless permits in China, the US, the UAE and Singapore.
Aurora Innovation, Inc., doing business as Aurora, is a self-driving vehicle technology company based in Pittsburgh, Pennsylvania. Aurora has developed the Aurora Driver, a computer system that can be integrated into cars for autonomous driving. Aurora was co-founded by Chris Urmson, the former chief technology officer of Google/Alphabet Inc.'s self-driving team, which became known as Waymo, as well as by Sterling Anderson, former head of Tesla Autopilot, and Drew Bagnell, former head of Uber's autonomy and perception team.
Motional is an American autonomous vehicle company founded in March 2020 as a joint venture between automaker Hyundai Motor Group and auto supplier Aptiv. Headquartered in Boston, Massachusetts, Motional also maintains operations in Pittsburgh, Singapore, Las Vegas, and Los Angeles. Motional began testing its newest generation of vehicles in Las Vegas, Nevada, in February 2021, and also operates vehicles in Pittsburgh and Santa Monica, California.
DeepRoute.ai is a Chinese robotaxi startup based in Shenzhen, Guangdong, China.
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