 Brian VanMiller, CBS News. When you're interested in electric vehicles, but not quite ready to commit. This is Jeff Gilbert with the Core Chronicles. Plug-in hybrids can be charged overnight on a standard wall socket, go 20 to 40 miles in electric mode, but they have a gasoline engine that can take you further. And there's a lot of interest in them. You've got most car makers shifting their portfolio to do more plug-ins than they used to be doing.