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Fri, Jul 3rd, 2009, 05:47 pm
 
What the?
To paraphrase Keith Olbermann, so to speak.

As usual, the most frustrating aspect of driving the '06 Prius is the differences between the calculated mpg's and the display. One can expect some differences because, I guess of the bladder-like gas tank.

Driving back from Hutchinson, Ks to Long Beach, Ca this week, the differences were awesome in two cases:

The distance from Santa Rosa, NM to Gallup, NM was 256 miles. The display showed 50.3 mpg (downhill pretty much from Santa Rosa, NM to Gallup, NM) so that was expected. I expected to fill with 4-5 gal. Shocker 7 gals giving a calculated mpg of 36! By the way, the temp was 79 degrees.

The next fill up was in Flagstaff, AZ. We're looking at an elevation gain, but still, I think the wind was either from the South (crosswind) or SE (in sailing terms, a broad reach).

Distance traveled was 197 miles (from Gallup UP to Flagstaff). The display showed 44.9. The fill up was 2.404 g. You can almost calculate this in your head. Yep. . . 82.07 mpg! Here the temp was 63 degrees.

One can expect some differences because, I guess of the bladder-like gas tank. But those two outliers. In fact, I'm inclined to assume the Gallup pumps are grossly inaccurate. So, I'll be notifying whatever department is charged with insuring pumps are accurate.
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