US supermarkets throw away 25 million tons of food each year. Israeli startup Wasteless cuts food waste and shopping costs. Its system enables supermarkets to lower prices of products nearing their expiration date.
https://www.youtube.com/watch?v=t5FKSmWIcjQ
http://israelbetweenthelines.com/2018/11/21/supermarkets-about-to-super-save/
https://www.israel21c.org/food-expiration-dates-are-about-to-undergo-a-revolution/