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Re:
Thanks for all the input. Best I can tell (based on four of five tanks), the Tundra has max fuel efficiency in the mid-50s (mph). I haven't really tried anything slower than that for fear I'll get shot. :-)
I actually just finished a 30-mile freeway drive. I went about 55 mph (average) and drove behind (but not too close) whatever big trucks I could find. I was up near 30 mpg for those stretches when I followed a big truck. I was at about 24 mpg for the non-drafting stretches. That seems like an unrealistically high differential to me, but who knows?
Since uphill/downhill and wind may have been in my favor (but I don't think so), I'll keep experimenting with it. The aerodynamics on my Tundra may be so God-awful that this drafting technique may yield far better results than anything else.
Happy Monday!!!!
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