Walmart is trying to make it easier to pick up online grocery orders. The retailer is testing a giant self-service kiosk in the parking lot of a supercenter in Warr Acres, Oklahoma, where ...

U.S. used-auto retailer Carvana LLC, which allows customers to pick up cars they buy on the internet from vending machine-like towers, has tapped investment banks for an initial public offering ...

It measures only 450 square feet, and it looks more like a giant vending machine than a small store. It sells only prepared foods, drinks, and snacks - and none of the "grocery" essentials some of ...