The biggest hurdle is cost. The batteries cost a lot and so they throw in a bunch of tech and other premium features to make the cost appealing to the larger ma

The biggest hurdle is cost. The batteries cost a lot and so they throw in a bunch of tech and other premium features to make the cost appealing to the larger market. The next biggest issue is regulation. Depending on jurisdiction, it's likely that things from backup cameras to autobraking and more are required or will be shortly. Even drowsy driver and drunk driver protections are already in laws/regs for future adoption.