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Charged here late last night and no issues at all. Gas station was closed and McDonalds next to it was drive thru only so plan accordingly. Added it to Google Maps while I was at it.
I got the same email this morning and I clicked over onto the main site and found this "Mileage Choice Program" Seems with Tesla's it will use telematics instead of the OBD connection. It also records all highway miles and not those just in Virginia.