Four-wheeled delivery robots from companies like Serve Robotics face the kind of congestion that doesn't show up on live ...

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DoorDash announced an autonomous delivery robot known as Dot that can reach speeds of up to 20 miles per hour and navigate busy streets, sidewalks and parking lots. The company has been working with ...

(Bloomberg) -- DoorDash Inc., the largest food-delivery app in the US, unveiled a delivery robot and a smart scale for restaurants, showcasing the company’s yearslong effort to develop hardware.