U.S. report says Tesla driver speeding in fatal Autopilot crash

A driver killed in the May 7 crash of a Tesla Motors Inc car while using Autopilot driving-assist software was speeding, U.S. highway safety investigators said on Tuesday in a preliminary report that did not state a probable cause. The U.S. National Transportation Safety Board (NTSB) said its preliminary findings showed the Model S was traveling at 74 miles per hour (mph) in a 65-mph zone at the time it struck a semi-truck near Williston, Florida. Joshua Brown was killed when his vehicle drove u