sentences:  However, the term "plug-in hybrid" has come to mean a hybrid vehicle that can be charged from a standard electrical wall socket.The July 1969 issue of "Popular Science" magazine featured an article on the General Motors XP-883 plug-in hybrid.The concept commuter vehicle housed six 12-volt lead acid batteries in the trunk area and a transverse-mounted DC electric motor turning a front-wheel drive trans-axle.