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Old 05-02-2009, 11:23 AM   #80 (permalink)
Matt Herring
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Join Date: Jun 2008
Location: North Andover, MA
Posts: 857

Bone's 2010 Prius - '10 Toyota Prius Black
90 day: 56.78 mpg (US)
Thanks: 5
Thanked 23 Times in 19 Posts
In my never-ending addiction to statistics and tracking things...here's my current tank stats...

Previous tank was 56.5 mpg actual fill numbers...

Previous tank in-car mpg vs. current tank in-car mpg:
At 100 miles (56.3 vs. 59.3)
At 200 miles (56.9 vs. 59.4)
At 300 miles (57.0 vs. 61.3)
At 400 miles (56.9 vs. 61.7)
At 500 miles (57.9 vs. TBA)

I'm down to 3 pips on my gas guage and have a 700 mile trip coming up next weekend so expected fill date is Weds or Thurs...dare I say "can't wait to see what I finish at!?!"

I've been doing alot of reading about the gas tank "bladder" in the Prius. It seems it is difficult to get 100% accurate fill numbers (especially in the winter) because the bladder shrinks in size due to the environment it is in (cold or hot). I'll keep an eye on this as I compare in-car mpg vs. SGII mpg vs. actual fill mpg.

Got my ecomodder.com sig attached to my priuschat.com account so all posts over there end with the ecomodder.com 90 day mpg and % over EPA! I also began tracking my mpg on myhybridcar.com and I use their sig as well on my posts at priuschat.com because it displays lifetime mpg. So...I have 2 sigs...90 day and % over epa from ecomodder.com and lifetime mpg from myhybridcar.com!
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