Retirement must not have suited Bob Lutz very well.
General Motors' former vice chairman had retired in the spring of 2010 but was still offering advice to CEO Dan Akerson for free, meeting every month or so. Akerson decided he wanted to pay Lutz for his work, but first he had to convince the federal government, which has part ownership of GM.
Akerson appears to have done so, meaning he'll now have Lutz's services on an official basis. Lutz will have his hand in much of the automaker's business.
Love him or hate him, Lutz has generally had a positive influence--especially on product--where ever he's been. GM needs a "car guy" in a high place as it recovers from bankruptcy, and Lutz is likely the best man for the job.