The Buick Avenir concept announced today ahead of the North American International Auto Show represents a collaboration of General Motors' global designers and fabricators, who worked between studios in Australia and the United States to develop the striking design statement. More than 100 designers, sculptors and fabricators at GM's design studio near Melbourne, in Australia, and Buick's North American design center, in Warren, Mich., contributed to the project, which leverages Buick's styling legacy to explore a...