Any fule kno congestion charge avoidance techniques are best learned in the Golden Triangle...
...but you wouldn't expect Jez and Quin to know that.
Not sure anyone who has followed, on foot, an elephant up a hill would agree with the zero emissions bit either.
I'd say the major advantage of an ele in Notting Hill would be the extreme difficulty in clamping them and their built in parking ticket removal and ingestion device.
People of North London please come and we'll teach you the tricks.