Transport Canada has a Hymotion Prius, I got to use it when I was there.
I think if you look up the calculations and figure out your MPGe (ie your "equivalent" MPG on electricity), you will see that you got nowhere near 3358 MPG.
The Chevy Spark EV is the most efficient vehicle in North America right now. It is a pure electric with a rating of 119 MPGe:
http://mashable.com/2013/04/25/spark-ev/