I travel to Mexico (Rocky Point) and there are no level 3 stations in that area, so I use RV campgrounds (and they are all over the place) to do my charging. I usually have to leave it overnight to get a complete charge. They charge $25 to $30 per twenty four hours for a NEMA 14-50 50 amp...
I can tell you for a fact that my Lariat ER has a hard governor at 106 mph as indicated by the speedometer. Not sure why the odd number but that's what it is even going down hill.