Quote:
Originally Posted by Martin Smith
There was a Mythbutser episode where they drafted behind a semi. The closer they got to the back of the truck, the better mileage they got. Gets dangerous, though.
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Beat me to it. I was going to say drafting is your best bet. Find a semi/moving truck that's moving at a good clip, and tuck in behind him for as long as you can. I did that on a recent 1.5 hour drive, and averaged 35+ mpg per the car's computer (vs a typical 25-ish mpg). This was at speeds of 75+ mph.