In 2015, a decade after workers at Hyundai Motor Manufacturing Alabama (HMMA) in Montgomery assembled their first vehicle, they celebrated the completion of their 3 millionth automobile. Their production numbers, provided by HMMA, included 1, 863, 700 Sonata sedans and 719, 500 Elantra sedans, as well as 416, 800 Santa Fe Crossover Utility Vehicles that…