Thought the Chevy Volt's OnStar apps were impressive? You may not have to buy a Volt to get them. General Motors says it would like to extend such infotainment beyond its flagship plug-in hybrid, and has partnered with a undisclosed tech firm to help make it happen. Speaking to CNN Money, OnStar president Chris Pruess teases that we could see some of Volt's features -- remote locking, charging and perhaps air conditioning options -- on other O
