The fact that Wagoner didn't drive one from Detroit, but apparently had it shipped to Washington in order to drive the last few miles, may be an indication that the Volt program has a long was to go to keep its promises. [emphasis mine]
I understand it can't make the trip, but isn't that sort of the point as to why the US auto makers can't compete? Seriously, GM (and Ford, Chevy, and Chrysler), how many times can you miss the point?
GM CEO Drives a Chevy Volt to Washington...Sort Of - U.S. News Rankings and Reviews.