I knew I had seen a discussion on the AIRSTREAM travel trailer forum, (airforums) about the capacity of the Ridgeline to handle a sub 20' travel trailer:
Best Weight Distribution set up for a Honda Ridgeline - Airstream Forums
The second is from the RIDGELINE OWNERS forum (some of the same folks from the above forum also posting):
http://www.ridgelineownersclub.com/f...ead.php?t=5647
It's apples and oranges until the all-important weight numbers (and, trailer frontal area) are factored.
Here's an example where the numbers are factored AND fuel mileage over a long period reported:
http://www.ridgelineownersclub.com/f...8&postcount=29
The question is now: what was the frontal area of that trailer, and how "aero" is it? Did the owner try to maximize the trailers efficiency (alignment, tire balance, etc)?