Bill would block state laws on self-driving cars

States would be prevented from passing their own laws on the testing or design of self-driving cars under a proposed bill being drafted in the U.S. House of Representatives. The measure, which would represent a big win for carmakers, is a stark departure from the Obama administration’s recommendation that called for automakers and technology companies to information about their self-driving testing to the National Highway Traffic Safety Administration before the cars are used by the public…