did you read the article? you change the battery, so you don't have to wait to recharge it when you are in a hurry. When you aren't in a hurry, you can plug it in. I'm sure you won't lose sleep while the battery recharges between midnight and 7am...
Israel passes law sanctioning force-feeding prisoners (Haaretz)
from the article: Shai Agassi's Better Place electric cars take to the highway