A driverless car that The Kroger Co will test. The Cincinnati-based company wants to see whether it can steer supermarket customers away from crowded grocery aisles with a fleet of diminutive driverless cars designed to lower delivery costs. The test programme announced last week could make Kroger the first US grocer to make deliveries with robotic cars that won’t have a human riding along to take control in case something goes wrong. Photo: Andrew Brown/The Kroger Co/AP