We just got back from Texas with our Elkmont. Got 14 mpg(US) on the straight and level, cruising on auto-pilot in fifth gear. But only 11 mpg(US) when buffeted by 30-40 mph winds off Lake Erie. No auto-pilot then. It was also close to freezing then which reduces fuel efficiency. Overall, got 12.5 mpg(US) for the trip.
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