Nissan Motor Co. said Tuesday it has ended the production of its GT-R sports car due to difficulties in meeting safety and environmental regulations, drawing a curtain on the latest generation of its iconic product.However, it was not all gloom for motoring enthusiasts with Nissan CEO Ivan Espinosa saying in a statement, "I want to tell you this isn't a goodbye to the GT-R forever, it's our goal for the GT-R nameplate to one day make a return."The very last unit of the latest model, the R35 GT-R, rolled off the line at Nissan's Tochigi plant, north of Tokyo, on Tuesday. Some 48,000 units of…READ FULL ARTICLE