84 headwinds have taken MPG from a normal of 30, down to something like 22. When you're driving high speed and pushing against 25 MPH headwinds, range plummets.
I can't make Boise to home on a full tank, so I usually stop somewhere around Hood River.
Sometimes I'll take highway 20 instead since it's shorter and quieter. Adds 15 minutes in theory, but if there's not much traffic I can make that up. Of course, if Portland is home than 84 is the only way to do it.
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