Remember the good ol' Chevrolet Volt? A trailblazer when it came out, GM's range-extender PHEV is also remembered by the National Highway Traffic Safety Administration. More specifically, the Office ...

A leading U.S. auto safety regulator on Friday announced an investigation into 73,000 Chevrolet Volt plug-in hybrid cars over reports that they may abruptly lose power, fail to restart and encounter ...