GM’s executive director oh hybrid powertrain engineering, Larrry Nitz released a statement saying that they are currently testing eleven Saturn Vue plug-in hybrid vehicles at the GM Proving Grounds. The Vue plug-in is due out in late 2010, around the same time as the Chevrolet Volt will be arriving in showrooms. When testing initially started nickel-metal hydride batteries were used, but now they are currently using lithium-ion batteries. At this stage the plug-in charge is fully operational and undergoing refinement. The Vue plug-in may not be ready for production but GM continues to make progress.