Graham Packaging Company, L.P., a leading global producer of custom blow-molded plastic containers, today announced it will produce a 16-ounce single-serve PET (polyethylene terephthalate) hot-fill bottle for Tropicana Products, Inc., the world's leading producer of branded fruit juices."The decision to switch from glass to plastic was driven by overwhelming customer preference for plastic," said Beth Byron-Reasoner, Tropicana's director of immediate consumption marketing.