RE corridor effect.
Driving slower than traffic will save you mileage as every vehicle that passes first pressurizes the air behind then creates a draft as they pass.
I would say that 2000 rpm may be too high for max economy. My 3.8 Ford v6 is better at 1500-1700. You need an instantaneous fuel gauge to tell. You won't believe how little throttle opening and speed will drink your fuel.
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The supreme power in America cannot enforce unjust laws by the sword; because the whole body of the people are armed.”
– Noah Webster, 1787
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