AP

LAT ROCK, Mich. (AP) — For the first time, Ford is making its Fusion sedan in the U.S.The company’s Flat Rock, Mich., plant began making the Fusion on Thursday. The plant, which is about 25 miles south of Detroit, made the Ford Mustang sports car before getting a second shift of 1,400 workers to make the Fusion. The 66-acre plant now has 3,100 workers.Ford Motor Co. had been making around 250,000 Fusions each year at its plant in Hermosillo, Mexico. But that wasn’t keeping up with demand for the hot-selling midsize sedan, which was revamped last year. Sales this year are up 13 percent to 181,668 through July, making the Fusion one of the best-selling cars in the country.”We could have sold more if we had more,” Joe Hinrichs, Ford’s president of…