United States, April 24 -- Nissan's Decherd Powertrain Plant reached a major milestone with the assembly of its 20 millionth engine, a VQ-ZV9 V-6 for Nissan Frontier, marking nearly three decades of manufacturing excellence and commitment to the Tennessee and Franklin County communities.Opened in 1997, the Decherd facility is one of Nissan's longest?running U.S. manufacturing facilities and a key powertrain hub supporting vehicles assembled across North America. Nissan has invested $2 billion in the plant as part of a broader $14 billion investment in U.S. manufacturing, underscoring its focus on American production and workforce development. The achievement highlights the pride and dedication of the Decherd team, many of whom have spent th...