Ford teaming up with Walmart and Postmates on robot deliveries

Ford is joining forces with Walmart and Postmates to create a grocery delivery service using self-driving vehicles in Miami, the companies announced Wednesday.Ford has been using Miami as a test bed for its self-driving vehicles since earlier this year. And more recently, the auto giant joined with Postmates to see how people ordering takeout food would interact with an autonomous delivery van.Now Ford is moving to the next stage: grocery delivery. The company says it will experiment with diffe