Contest! Win a fuel economy gauge / OBD-II dashboard computer by posting in the forum

11 more days until the draw!

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Originally Posted by Space Wolf

It seems someone is pushing a conversion to L/100km, as since 10 years or something like that fuel economy in car ad's is given in L/100km.
Which is a strange unit. It should be km/L or L/km.

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Even in the US, some enlightened folks are advocating for using gallons per 100 miles, and there's a good reason:
Why We Should Measure by Gallons per Mile, Not Miles per Gallon

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Where does the '100' come from? And why is it pushed? Who benefits?

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It simply makes the resulting number easier to communicate, rather than dealing with decimal values well below 1.

EG: what's easier to communicate, 4.4 L/100 km or 0.044 L/km ?

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Originally Posted by MetroMPG

EG: what's easier to communicate, 4.4 L/100 km or 0.044 L/km ?

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Well, if you insist on expressing it 'the wrong way', a factor of 1000 should be used, as that is the default factor in the metric system. So that should be 440L/1000km, or 440L/Mm. (Which also solves the problem that L/100km is normally expressed in 2 digits, while km/L is expressed in 3.)

A big problem with L/100km is that it doesn't scale up. In economy contests there are 'cars' which do 1000km/L. That is the same as 0.1L/100km. But someone who does it just a bit better, and squeezes 1050 km from a liter, still runs 0.1L/100km.


BTW, I read that article, where was stated that fuel consumption should be measured in g/100m. And I read grams per 100 meters first.

Made it back just in time to “enter”, almost time to pull the summer vehicles out of winter storage!

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Originally Posted by man114

Made it back just in time to “enter”, almost time to pull the summer vehicles out of winter storage!

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I am eagerly waiting for that day too! Soon, I hope.

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Originally Posted by spork

I am eagerly waiting for that day too! Soon, I hope.

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I was down to two winter cars since I’m trying to preserve my truck as I’m not ready to cough up the cash yet for a new vehicle.

I took the day off to go snowboarding yesterday :D ... so I'm just gathering info to do the random draw now.

Winner announcement coming soon...

Using random.org, drawing from post ID's made during the contest period, the winner of the gauge is:

• Fummins, for post #11 in this very thread

Congratulations!

To claim your prize, just send me a private message with your mailing address.

Woohoo, congrats Fummins!

Heck Yes! Thanks guys :excitement:.

Congrats!