In the coming months, Houston residents who have opted into Nuro’s pilot service can get their groceries delivered from Walmart in either of the company’s two types of vehicles: a Toyota Prius equipped with self-driving hardware and software or the oversized lunchbox-looking R2. The service will expand to the general public late in 2020, the company says.

Nuro is one of the few companies to be operating fully driverless vehicles — that is, vehicles without safety drivers behind the wheel — on public roads today. Its R2 vehicle is about half as wide as a compact sedan, shorter than most cars, and there’s no room inside for human passengers or drivers. It is also an updated version of Nuro’s original R1 prototype, but with around 50 percent more capacity (which translates into about 18 more grocery bags).
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