Companies are stepping up efforts to curb food waste in Japan where 6 million tons of edible products are discarded annually, with major convenience store operators the latest to introduce measures to address the issue.But restaurants and households that are responsible for some 66 percent of discarded food are moving more slowly to slash leftover items, with eateries concerned about losing customers if they serve smaller portions and Japanese consumers prioritizing product freshness.Convenience store operators Seven-Eleven Japan Co. and Lawson Inc. said Friday they will start discounting r…READ FULL ARTICLE