ST. LOUIS–(BUSINESS WIRE)–Save A Lot, one of the country’s largest discount grocery chains, today announced an ongoing collaboration with Leevers Supermarkets to develop new grocery formats and in-store offerings to better reach a wide range of Hispanic shoppers throughout the country. The first milestone coming out of the ongoing concept development effort is the introduction of Ahorra Mucho, a new discount brick-and-mortar grocery store and innovation center located in Aurora, Colo., featur