New double-rowed bar codes can offer more sophisticated coupon deals, such as discounts on several related items at once. These GS1 DataBars also are being used on loose produce and might soon help monitor sell-by dates on fresh meats and deli products.
Tesco said its Dumfries supermarket is one of its new "greener" stores in Scotland with a 70% smaller carbon footprint than similar developments. Doug Wilson, Tesco's corporate director for Scotland, said the environmentally friendly stores are more expensive to develop. However, he said the Dumfries store could positively affect trade in the city.