U.S. regulators could waive some safety rules for self-driving cars

The U.S. Transportation Department said on Thursday it may waive some vehicle safety rules to allow more driverless cars to operate on U.S. roads as part of a broader effort to speed up development of self-driving vehicles. Transportation Secretary Anthony Foxx unveiled the new policy guidance for self-driving vehicle testing in Detroit. Major automakers and technology companies led by Alphabet Inc's Google are racing to develop and sell vehicles that can drive themselves, but they have complain