By 
The Seoul Metropolitan Police Agency will operate an eco-friendly electric patrol vehicle the T3. Running on electric battery and producing no carbon emission and noise, the vehicles will be used for anti-crime and anti-terror patrol in areas including downtown Myeongdong and Gwanghwamun Square and near Gimpo Airport.
Via KBS Global.
Well I guess this will make it harder for the policemen to sleep in their patrol cars. 
5:16 pm on September 23rd, 2011 1
They should put tazer-baton recharges on the Segways that can conceal tazer batons.