2019 Audi e-tron side-camera system: Is the U.S. missing out?

2019 Audi e-tron first drive  -  Abu Dhabi UAE, December 2018Side-camera systems, replacing side mirrors, have been one of the de rigueur symbols of the future on auto-show concept cars for, well, pretty much this entire century so far. While we’ve been eagerly anticipating the arrival of such systems for nearly as long—they’re not allowed by U.S. FMVSS standards, though now permitted in...