Youngsters hear it before they see it. A big red, white and blue van blasts off the high pitch tingles of Yankee Doodle Dandy or La Cucaracha as it makes its way through area neighborhoods. Every year when temperatures soar, ice cream trucks tout their frozen treats. Instead of their customers coming to them, vans go to their customers. Andy Orsa, owner of Andy’s Ice Cream, has been driving and leasing ice cream trucks for four decades. “My business is whole saling the ice cream and leasing the trucks to people who sell it,” Orsa said. “They go to all the surrounding towns ...