Actually, I did get a few "thumbs up" from some of the passing vehicles (usually the more sane ones!) when I moved over in the passing areas. I also got a few other single finger responses, mostly from Beemers, Big RVs and full sized pickups with lift kits typically passing me at 75-80+, some still accelerating. Not to worry, I got over them a long time ago. Most of these roads were posted at 55 or 65, and I don't think my 58 miles per hour was out of line. (I did increase it slightly when a line up started behind me -- until the next 4 lane stretch. Rudeness has no place in hypermiling.)

It is the ignorant among us that will eventually destroy us all.