NYT > Automobiles

Where Self-Driving Cars Go to Learn
Arizona’s promise to keep the driverless car industry free of regulations has attracted dozens of companies, including Uber, Waymo and Lyft.
A 100-Car Army of Sound in Los Angeles
A new composition by Ryoji Ikeda created a wash of sound — car stereos blaring variations on the note A — as part of the Red Bull Music Academy festival.