Quote:
Originally Posted by Clev
I saw this one as well. 100 feet is almost two big-rig-lengths--enough to easily be out of the danger zone. When I'm travelling the same speed as big rigs around me, I'll generally stay behind them by 100 to 150 feet. It seems to make a difference in my overall mileage.
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The results from that Mythbusters episode are summarized
here. I use this technique when it's available and likely to help. I ran some numbers on safety of the technique
here. Finally, I estimated when it's likely to save fuel, i.e., when the fuel savings gained are not outweighed by having to go faster to keep up with the truck
here.