Originally Posted by
MetroMPG
EG: what's easier to communicate, 4.4 L/100 km or 0.044 L/km ?
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.
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View my fuel log 2013 Space Star Cleartec Intense 1.0 manual: 55.8 mpg (US) ... 23.7 km/L ... 4.2 L/100 km ... 67.0 mpg (Imp)