DoorDash's 350-pound autonomous vehicle will hold your food in its robot mouth as it drives 20 miles per hour to deliver it to you.

DoorDash's 350-pound autonomous vehicle will hold your food in its robot mouth as it drives 20 miles per hour to deliver it to you.

The hype around delivery robots has fizzled, but DoorDash is still determined to launch Dot, an adorable red bot. It can ride on roads and in bike lanes, where it will face…