Which transportation company first launched a fleet of autonomous delivery vehicles for retail last-mile deliveries in major US cities?

The transportation industry is rapidly evolving with autonomous technology transforming last-mile delivery solutions. Major retailers and transportation companies are investing billions in self-driving delivery vehicles to reduce costs and improve efficiency. This poll tests your knowledge about a significant retail future trend that's reshaping how products move from warehouses to consumers. Do you know which company pioneered this revolutionary approach to urban delivery?

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Nuro, with its R2 vehicle designed specifically for autonomous delivery without any space for human passengers
Waymo, with its modified Chrysler Pacifica minivans that deliver packages for retail partners
TuSimple, with its self-driving trucks that handle retail distribution from warehouses to stores
Aurora, with its converted Ford Transit vans that operate as mobile retail delivery hubs