Big hopes of unfulfilled autonomous cars

The first driverless cars were to be introduced on American city streets in 2019, but the ambitious hopes of car manufacturers and Silicon Valley are far from becoming a reality only a few days before the end of the year.

Recent accidents, such as those involving Tesla cars equipped with Autopilot, a software for driver assistance, have shown that "the technology is not ready," said Dan Albert, critic and author of the book....