Monday, March 3, 2008

Tanks 147 and 148 - 25 and 27 February 2008.

I am shocked (SHOCKED!) to report that I had two tanks in which I drove
totally differently but got surprisingly similar mileage!

I refueled the night before our trip to the funeral at Virginia Beach
and was a bit disappointed that over 290.8 miles I only achieved 35.92
miles per gallon. I expected better, as this was to/from work miles and
I drove about the same I normally did-- like an old grandma.

For our funeral trip, I drove pretty fast, breaking the speed limit most
of the way, 75-80 miles per hour. I didn't try too hard to draft behind
any big trucks or anything either, and after 324.3 miles, achieved
better mileage of 36.56 mpg.

I absolutely don't know what to think about this.

This flies in the face of what I thought was true.

I drove faster, yet achieved better mileage than the previous tank.

Granted, 36.56 mpg is less than my overall fuel economy of 36.72, and
lower than my 2008 average of 37.78, but still, it should not have been
better than a previous tank in which I just drove to and from work?

I have no explanation for this, and am unsure if I will now drive faster
as a result.

And I certianly don't want another funeral trip to see if these numbers
match on another road trip like that.

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