Mexican exports of cars and trucks set a new record in March after climbing 10% on a year earlier and in 18 of the past 20 months. Light truck sales in the U.S. have been a major contributor, with General Motors’ exports rising 43% in the first quarter, followed by Volkswagen’s 18% growth. Ford’s passenger-car led production mean it saw a 14% drop. Another reason for the increased shipments may be disruptions from NAFTA negotiations. While these could take months to take effect, Economy Minister Guajardo has indicated that there’s an 80% chance of a political agreement by the beginning o...