Improving MPG Calculation Using GPS Data

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Any thoughts?
 
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thinkcentre12 said:
If I was running at a constant speed would any of those 14 equations change? (The equations previous listed). I ran three more trips in traffic and that seemed to really help my percent error.
It won't change the equations, except that some simplifications may be possible. Mainly it may remove some of the effects which your equations are not allowing for (like braking, varying drag).