Baidu is the latest company to receive permission to test self-driving cars in California.

Self-driving and autonomous vehicles are considered one of the next big steps in the automotive industry. Virtually every manufacturer is working on some kind of autonomous software, with varying degrees of success.

Baidu is the latest to company ready to test its self-driving tech, and California has granted it a permit to test three autonomous cars, without a driver behind the wheel, according to Reuters. Baidu is the sixth company to receive a permit to test without a driver, with a total of 58 companies cleared to test self-driving cars with a backup driver.

As Reuters points out, Baidu is currently testing some 500 self-driving vehicles, although most are in China. The company has also mostly tested vehicles with a backup driver, and has yet to announce when it will start testing vehicles with no driver.