To bump #4; 220v 40a vs 120v 15amp. average daily commutes are < 30 miles, cars are doing 200+ miles; and having 12 hours of off shift is pretty common. This i

To bump #4; 220v 40a vs 120v 15amp. average daily commutes are < 30 miles, cars are doing 200+ miles; and having 12 hours of off shift is pretty common. This is the 10% problem (which also has solutions, like the high-speed charger installed at your local gas station)