https://www.cnbc.com/2019/01/08/walmart-taps-udelv-for-latest-driverless-car-grocery-delivery-tests.html > Walmart is expanding its tests of driverless cars as a way to get online grocery orders to shoppers' homes more quickly. > The big-box retailer is now piloting a program to use Udelv autonomous-driving vans to deliver fresh groceries in Surprise, Arizona.