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How about moving all the US supercharger location discussions to the North America subsection and keep this main part for what the sticky says it's for?
Last time I suggested a special forum just for Superchargers (instead of having them spewed all over the charging forums), Doug said he was working on it and would get back to us in time.
Model X is going to pose the first big challenge for subject consolidation - most of what's in the Model S charging forum would likely be best placed here once Model X comes. Some subscribers don't even look at this section, as evidenced by the number of times I have to point at the FAQ over here from the Model S charging forum.