Proof that wind is the big factor in MPG.
I just towed the Hitchhiker II fifth wheel from Arkansas down to the Lake Charles, Louisiana area, over very flat roads. On April 3, driving into a strong headwind, the Ford F350 diesel got 7 miles pe...
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I figured out the head wind side wind thing a long time ago. I have also noticed that I get better fuel mileage on multi lane roads with a lot of traffic than I get running alone. I used to "draft" semis, but decided it wasn't worth it.
