> What are the main things stopping GM/Volvo/Google from deploying a fleet of cars? I'm not an expert in the space, but it seems the main issue is the technolo

> What are the main things stopping GM/Volvo/Google from deploying a fleet of cars? I'm not an expert in the space, but it seems the main issue is the technology is still in (generously) alpha. Basically: the blocker is the technology doesn't work, for any definition of "work" that a layperson would recognize.