jonathan karl, abc news. more than three-quarters of a million cars with a defect. recalling chevy cobalt and pontiac g5 sold from 2005 to to 2007. faulty ignition request shut off. general motors promising to restore the eight corvettes swallowed up by the sinkhole. they say they rank as some of the most significant in automotive history. i know one gift a lot of guys will be wishing for on this valentine's day. if you're tired of shoveling snow this winter, why not let a robot do it? a north carolina company developed a remote-controlled snowplow you can operate from the lovely warmth of your living room 37 it's based on a robot they built for new york city fire department. >> that's awesome. six wheels, upgrades include