The National Highway Traffic Safety Administration said on Monday it has opened an investigation into a recent Ford (F.N), opens new tab Mustang Mach-E fatal crash in San Antonio, Texas, where authorities suspect an advanced driver assistance system was in use.

A U.S. auto safety regulator said on Friday it is opening an investigation into 73,000 Chevrolet Volt plug-in hybrid cars over reports of abrupt loss of power, failures to restart and other issues.