Driverless cars

FILE - In this March 15, 2017, file photo, a traveler tries to book a ride with Uber at LaGuardia Airport in New York. Uber is providing a look under the hood of its business in the lead-up to its hotly anticipated debut on the stock market. Documents released Thursday, April 11, 2019, offered the most detailed view of the world’s largest ride-hailing service since its inception a decade ago. (AP Photo/Seth Wenig, File)

Lyft co-founders John Zimmer, front second from left, and Logan Green, front second from right, cheer as they as they ring a ceremonial opening bell in Los Angeles, Friday, March 29, 2019. On Friday the San Francisco company's stock will begin trading on the Nasdaq exchange under the ticker symbol "LYFT." (AP Photo/Ringo H.W. Chiu)

FILE- This Feb. 15, 2018, file photo shows a Ford logo on the grill of a car on display at the Pittsburgh Auto Show. Ford Motor Co. is repackaging a previously announced manufacturing investment in the Detroit area and now says it will spend $900 million and create 900 new jobs over the next four years. Most of the new workers will build a new generation of electric vehicle at Ford’s existing factory in Flat Rock, Michigan, south of Detroit, which will see an $850 million investment. (AP Photo/Gene J. Puskar, File)

FILE - In this May 5, 2015, file photo, Lyft co-founder Logan Green speaks at TechCrunch Disrupt NY event, in New York. Ride-hailing giant Lyft is releasing financial details about the company in a federal filing before it begins selling its stock to the public. (AP Photo/Richard Drew, File)

File -- In this Friday, Feb. 22, 2019 photo Harald Krueger, left, CEO of the car manufacturer BMW, and Dieter Zetsche, right, CEO of the Daimler stock company and the car manufacturer Mercedes Benz, talk during a press conference in Berlin, Germany. Automakers BMW and Daimler said on Thursday, Feb 28, 2019 they will work together on developing the automated driving technology expected to transform the industry in the years ahead. (Bernd von Jutrczenka/dpa via AP, file)

FILE- This Jan. 16, 2019, file photo shows a GMC Sierra pickup, left, and Denali in Detroit. General Motors' posted an $8.1 billion net profit last year as it got better prices for vehicles sold in the U.S., its most lucrative market. The performance was far better than the previous year, when the company lost $3.9 billion due to a giant tax accounting charge.(AP Photo/Paul Sancya, File)

FILE - In this Jan. 8, 2017, file photo a Chrysler Pacifica hybrid outfitted with Waymo's suite of sensors and radar is displayed at the North American International Auto Show in Detroit. Google's self-driving car spinoff Waymo said Tuesday it will bring a factory to Michigan, creating up to 400 jobs at what it describes as the world's first plant "100 percent" dedicated to the mass production of autonomous vehicles. (AP Photo/Paul Sancya, File)

Ford Motor Co. President and CEO, Jim Hackett, left, meets with Dr. Herbert Diess, CEO of Volkswagen AG, Monday, Jan. 14, 2019, at the North American International Auto Show in Detroit. (AP Photo/Carlos Osorio)

Chairwoman and CEO of General Motors Mary Barra is interviewed on the floor of the New York Stock Exchange, Friday, Jan. 11, 2019. General Motors strengthened its pretax profit estimate for 2018 and predicted even stronger performance for this year as it executives made a presentation to investors on Friday. (AP Photo/Richard Drew)