 B12 fuel economy
I did the math for almost every fillup on a recent trip down south. I was pleasantly surprised to see an average of 45 mpg when cruising at 70-75, and a high of almost 49 when on back roads (say 55-65 mph). The worst I saw was 42, and that only happened once.
Perhaps the most startling thing of all was that ethanol blends (E10) didn't seem to have any detrimental effect whatsoever.
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