Fiat Chrysler Automobiles in the past year has delayed the redesign or release of at least a dozen current or new vehicles in North America, according to suppliers familiar with the company’s plans. FCA Chief Executive Sergio Marchionne is shuffling product plans even as he seeks a partner for his company, the seventh largest global automaker. Marchionne says consolidation in the auto industry is inevitable, because automakers are burning capital investing in overlapping engines and vehicles.