ALTOONA, Pa., 2016-Aug-25 — /EPR Retail News/ — Sheetz, one of America's fastest growing family-owned and operated convenience store chains for over 60 years announces two new store openings in Shippensburg, PA, and Garner, NC. On Thursday, August 25, Sheetz will open two new stores one in Shippensburg, PA, located at 8000 Olde Scotland Road, and one…