[thesimon]

And what prevents car or truck manufacturers from doing the same? It's not like they are just happy sitting around and doing nothing.

Also looks like the large losses are coming from subsidizing drivers, not R&D.

[kbart]

"And what prevents car or truck manufacturers from doing the same?"

They are already doing that: http://qz.com/656104/a-fleet-of-trucks-just-drove-themselves...