Dubai, not the US, could become the capital of driverless car technology.

There are some adverse conditions, such as heat and fog, and the urban roads can be heavily trafficked. But by and large, it's a very car-friendly place: The streets are relatively well-paved and marked, and they aren't as clogged with unpredictable bicycle, pedestrian, or rickshaw traffic as those of many other big cities around the world. Oh, and the government is an absolute monarchy that can more or less impose its will on the populace.