Fuel Economy & Emissions Talk about the mileage database, EPA, hypermiling, gas and driving strategy.

gas milage

Old 06-21-2004, 12:53 PM
Pretty Darn Active Enthusiast
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Join Date: Apr 2004
Location: League City, Texas
Posts: 387

When giving the milage you are getting are you giving the number on the dash or at the pump? I have found that in all my tanks I have had it only match the figure I get at the pump ONE time. I average between 2 to 10% lower at the pump. So for the people that use the dash figure you might want to start figuring at the pump and see if there is a difference for you. Kevin
Old 06-21-2004, 03:19 PM
xcel's Avatar
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Join Date: Feb 2004
Location: Northern Illinois
Posts: 2,567

Hi Texashchman:

___Always from the odometer and the pump as this is an actual value over time with actual miles traveled over actual gallons purchased. I do keep track of the FCD in my own spreadsheet and it matches almost dead on for lmpg but on a tank to tank, the FCD can display as much as 3% lower then actual calculated on the real high mileage tanks with the Insight I pilot. Not including the 3 or so times I was able to fill the Vapor recovery HW of course

___As a suggestion in case you do not keep your own spreadsheet, why not add a comment or two in the Notes area? Consider what was displayed on your FCD, your actual miles driven / gallons purchased = mile per gallon, traffic conditions, links to other threads about that tank, etc. I add all kinds of notes myself as it can only help others looking at your tank to tank data get a much better feel as to what you are actually receiving over time.

___Good Luck

___Wayne R. Gerdes
___Hunt Club Farms Landscaping Ltd.
___[email protected]
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