23 Oct 2013 --- The Hershey Company announced two more of its plants have achieved Zero-Waste-to-Landfill (ZWL) status. The company now has six U.S. plants that no longer dispose routine waste into landfills. With the addition of the Y&S Plant in Lancaster, Pa., and the Robinson Plant in Robinson, Ill., The Hershey Company has exceeded its goal to convert five plants to ZWL by 2015 well ahead of schedule.