"The Prius C's max EV speed is only 25 mph "
There must be something wrong with mine, since I was going
up a slight hill at 40 MPH, in EV mode the other day..
I read the transition point to EV occurs when you drop down under 46 MPH.
CleanMPG Forums - View Single Post - Is there going to be a section for the new Prius C ?
I'm not sure, but I think I've been in EV mode going down hill at around 50 MPH..
"WS" is explained here.
http://techno-fandom.org/~hobbit/cars/warpstealth.html