CEO Sergio Marchionne wants to have one management group for both Fiat and Chrysler, not the two separate groups like they’re now using. General Motors will build the next-generation Chevy Impala at its Detroit-Hamtramck plant, alongside the Volt and Malibu. One analyst is warning that Chinese automakers face severe overcapacity unless they change plans to expand. All that and more, plus John answers your questions about diesels, CAFE rules and more in the "You Said It!" Segment.