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He did elsewhere:
That's right about where I cruise at commuting on the 'strom...and we were getting about 35mpg averaging about 80mph on the highway.
I also assume all of these #'s are from the onboard computer, not tank-tank calcs. But either way, 35mpg kinda sucks. @ 5gal tank that means you're looking for fuel well before the 200 mile mark when trying to make time. Meh.