Fuelly Forums - Why don't we see more SUVs in the GasSavers garage?

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When I figure out the garage thing (haven't even looked at it yet), I'll enter my log data from the Moose. Should be interesting to see how much higher it can go when it's fully tuned and summer arrives. 15 is my goal and if I reach it I may shoot for 17 or more. Then again there has to be a ceiling on a 5600lb vehicle which has the aerodynamics of a Zenith console television set.

(did find a 1996 3-cylinder Metro for sale near me on eBay...$280 so far but hasn't met reserve...wish me luck...and if it doesn't run I'll put it in the back of the Moose and haul it home LOL)

Quote:

Originally Posted by kps (Post 41227)

Suppose someone drives 10000 miles.
* Going from 12mpg to 14mpg (2mpg improvement) saves 120 gallons.
* Going from 24mpg to 28mpg (4mpg improvement) saves 60 gallons.
* Going from 36mpg to 42mpg (6mpg improvement) saves 40 gallons.

Following myself up, it might be interesting to have a third top-ten list, ranking gas saved (vs EPA). The easy way would be as above, "gas saved per notional 10000 miles", which is a trivial calculation from average MPG. The hard way would be to calculate the actual gas saved in the last N miles on a tank-by-tank basis (probably N would be a few thousand; something close to what the average driver does in 90 days). Either way, the list would have no overlap with the top-ten MPG and might help get more people interested.

Quote:

Originally Posted by skewbe (Post 41234)

It actually does look more obvious if you invert the units, for this example lets convert the MPGs to gallons/10000miles (just divide 10000 by the mpg number):

* Going from 833g/10kmi to 714g/10kmi (2mpg improvement) saves ~120 gallons.
* Going from 417g/10kmi to 357g/10kmi (4mpg improvement) saves ~60 gallons.
* Going from 278g/10kmi (36mpg) to 238g/10kmi (6mpg improvement) saves ~40 gallons.

Since we have a common denominator, life is easy. 278g-120g = 158g, 10000/158 = 63mpg. Where did I get 84mpg from?!?

Now imagine you lived in almost any other country where they have Liters/100 Kilometer Oooh what a wonderfuly easy to convert world it would be!

kps-

Quote:

Originally Posted by kps (Post 41408)

This sounds like a very good idea, because there are lots of ways to represent the data.

Why is there a problem with smaller segments :confused: ? For each entry, the user is either above or below the EPA combined MPG. If user travels X miles, the EPA MPG would predict Y gallons needed to cover those miles. If you subtract the actual gallons from the "Y" gallons predicted, you get the gallons saved. If the gallons saved is negative, then you are above the EPA :( .

CarloSW2