Mexican vehicle exports including autos and commercial climbed 14% on a year earlier in May, bringing the quarterly total to 21%. That’s the fastest rate since at least 2014. It may prove controversial in forthcoming NAFTA negotiations with the U.S. – 80% of Mexican auto exports go to the U.S. Ford, GM and Fiat-Chrysler are most affected by relations with the U.S., whereas Volkswagen and Renault also sell into Latin America. The growth in May was driven predominantly by new production of the Jeep SUV range by Fiat Chrysler and Kia’s new factory which opened officially in September. Ford’...