Irving, Texas — 7 Eleven, Inc., the world’s largest convenience chain, has once again hit a major milestone: 77,711 7-Eleven® stores are now open. The company is also ramping up its sustainability initiatives. “Since the inception of convenience retailing with the first 7-Eleven store in Dallas, Texas, a lot has changed in how, when and where we do business,” says Joe DePinto, 7-Eleven’s president and chief executive officer. “As customers continue to redefine convenience, we redefine our approach to ensure that we are exceeding their expectations. Today, that means accelerating …