<rant>In my opinion, this a big miss. I wonder who they consult with to come up with these locations. For the most part, they're spot on...but this is something that I believe needs to be called to someone's attention.
Does this work - Hey Tesla, pay attention! Without a SC on 93, the Model S is useless for I-93 skiers from Boston. This has to be impacting sales.
Boston <-> Gunstock - 205mi round trip
Boston <-> Waterville Valley - 255mi round trip
Boston <-> Loon - 270mi round trip
Boston <-> Cannon - 280mi round trip
Without a supercharger on 93, none of the 93 ski resorts are reachable from Boston. Even Gunstock would be too close for comfort in winter temps with the 900 foot elevation change. None of these areas have destination charging (per plugshare), making a 93 Supercharger manditory.
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