Most commutes are 30 miles round trip at the high end. Given a capacity of 400 miles as was quoted above you would need to forget to plug in for over a week to

Most commutes are 30 miles round trip at the high end. Given a capacity of 400 miles as was quoted above you would need to forget to plug in for over a week to have any issues. Not having enough electricity to make it to work is akin to not having enough gasoline for most local trips.