But what Ryan said was true. The Janesville plant was closed in 2009 after Obama took over, and as part of the takeover of GM by the government.
That’s when the decision was taken to shutter the Janesville plant for good, as GM itself announced on June 26, 2009 (emphasis added):
More at the link, of course, but the most favorable spin of the “Ryan was wrong” point is this: while GM said that the plant would close on a future date, it was open when Obama talked about it, and it was passed over for building the Volt and Cruze. Even specifically mentioned when they announced who’d be building the eco-cars.