Possibly nothing can be as unloved as an old bus. The seats aren’t as supportive as they were, the upholstery is faded or even torn, the paint is chipped and the body is dented with the battle scars of hundreds of thousands of miles it rolled up moving people. But there are people who see their past beauty, save old buses from the junkyard and make them look and run like new. They are bus collectors, ranging from former bus drivers who bought or preserved a favorite bus, to mechanics and an organization that possesses almost 40 Garden State historic buses. One place where that bus love was on …