Google has built its first self-driving car prototypes and hopes to test hundreds more models this summer. If all goes well, the company is planning a pilot program in California over the next few years.

New York Islanders' Matt Martin (17) and Pittsburgh Penguins' Zach Aston-Reese (12) fight during the second period in Game 2 of an NHL hockey Stanley Cup first-round playoff series in Pittsburgh, Tuesday, May 18, 2021. Both players received a two-minute minor penalty. (Photo by Gene J. Puskar/AP Photo)

General view of a clash after the match of the Egyptian Premier League between Pyramids FC and Zamalek at the 30 June Air Defense Stadium in Cairo, Egypt on April 23, 2019. (Photo by Amr Abdallah Dalsh/Reuters)

A dog walks on the street as it snows in Kyoto on January 25, 2024. (Photo by Philip Fong/AFP Photo)

Britain’s Kate, Princess of Wales, center, smiles as she wears an inflatable life vest during a visit at the Royal Naval Air Station (RNAS) Yeovilton, near Yeovil in Somerset, England, Monday, September 18, 2023. The Royal Naval Air Station Yeovilton is one of the Royal Navy's two principal air stations and one of the busiest military airfields in the UK. (Photo by Ben Birchall/PA Wire via AP Photo)

People wearing face masks to help curb the spread of the coronavirus wait to walk across a traffic intersection in Osaka, western Japan, Thursday, November 26, 2020. (Photo by Hiro Komae/AP Photo)

WeHo Pride's Grand Marshal Icon rapper Janelle Monáe rides in the city of West Hollywood's Pride Parade on June 05, 2022 in West Hollywood, California. (Photo by APEX/The Mega Agency)

Visitors look at the work titled “In Bed”, 2005 by Australian-born artist Ron Mueck at Triennale di Milano on January 09, 2024 in Milan, Italy. (Photo by Giuseppe Cottini/Getty Images)