It will be used as a range extender/back up battery.
You use lithium ion battery for your every day commute daily driving. 100-250 miles of range.
At 2 AM 30 miles from home you realize you have 1 mile left of lithium ion battery range. Aluminum air battery kicks in.
You are coming home form Las Vegas to Los Angeles. You want to stop half way to recharge. You notice a 1 hr line to get to the charging unit. You blow by it and when your lithium ion battery back goes empty you switch to aluminum air.
Every 1-5 years you go in and swap your old aluminum air non-rechargeable battery for a new one.
They are saying comparable to gas. So ~ $0.10 per mile cost retail.
ALMOST right.
You use lithium ion battery for your every day commute daily driving. 100-250 20 - 50 miles of range.