But a lot of devices convert to DC internally! Would it be hard to dispose of that redundancy? It seems to me there'd be less need for a power inverter that way.
EDIT - some semirelevant discussions:
https://news.ycombinator.com/item?id=7730205
- in the past thread, reasoning about usage of AC vs. DC
https://news.ycombinator.com/item?id=8071524
https://news.ycombinator.com/item?id=8071670
- DC vs. AC