If you market it right, you can sell hippie goods like solar water heaters and solar cookers to this audience--you just need to change the message. In fact, it makes more economic sense here, since they're more likely to be rural, meaning higher prices, longer/more frequent blackouts, fewer places to escape to during the apocalypse, more roof area, greater home improvement skills, etc.
(Not linking to it since it's almost certainly offering free/easily available information for $)
