Trucks really drove the market last month, the segment grew twice as fast as the passenger car side. Sales in May put the industry back on trend, after April’s SAAR fell below 15 million units. In his latest book, Bob Lutz criticizes former GM CEO and co-worker, Rick Wagoner. All that and more, plus the lead designer of the Fiat 500e shows us how the exterior differs from its gasoline counterpart.