var vtn_player_type = "vp";var ven_video_key="NjEyOTE1fHwxNDcxfHwwfHx8fHx8";var ven_width="660";var ven_height="409";Chevrolet Reveals the 2016 Volt and the all-new 2016 Bolt EV at North American International Auto Show 2015.