Cost-Effective and Eco-Friendly Gas Now Available  WEST DES MOINES, Iowa, 2017-Dec-14 — /EPR Retail News/ — Hy-Vee, Inc. now offers E15 at five locations across its eight-state region. The Hy-Vee convenience store located at 3120 Agency Street in Burlington, Iowa, is the latest store to offer the eco-friendly fuel option. With the addition of E15, Hy-Vee expands…