DETROIT -- Any questions about what the American auto industry can do were answered Tuesday at the Renaissance Center when a production model of the Chevrolet Volt rolled into the automotive universe.
Not that there ever really was a question about what is possible. Detroit put the world on wheels and foreign automakers still come here to cherry pick executives and engineers.
But there have been serious questions, and legitimate concerns, about Detroit's ability to convert its talent into homegrown home runs.
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