McALLEN — Years spent in his father’s garage as a boy are paying off for Bryant Salinas, a South Texas College student.Having long been exposed to machines as a child, and with a natural affinity for math and calculation, Salinas said he dreamed about a career as an engineer. The love of building and repairing was in his blood from the beginning, he said.Now one step away from finishing a bachelor’s degree in Manufacturing Engineering from the University of Texas–Rio Grande Valley, Salinas says he is preparing for the trip of a lifetime, interning with Tesla Inc., a nearly trillion ...