By now even companies like Tesla and Volvo can do most of what any one can do. And they actually have usable cars.
Google inventing AGI will be a great deal though.
Self driving cars is indeed a cool technical problem to solve if you asked an engineer, but if you asked society what it needed I doubt self driving cars would be the answer.
Flagstaff, AZ (pop. ~70,000, and double that in the metro area) has colder average lows than NYC during the winter, and several times more snow.
It's the closest major(-ish) town to the Grand Canyon, which is about 75 miles away.
Las Vegas (Aptiv), Pittsburgh (Aptiv, Aurora, Ford, Uber ATG), Dearborn MI (Ford), Miami (Ford), Washington (Ford). There's also a retirement community in Florida that Voyage is testing in.