I always figured the companies using that tracking are either charging high to begin with, or they are quicker to raise based on that 140 in the 100 to keep up with flow of traffic as it is safer and they can't see that..Think of my many trips on the 400 North to Barrie, or even on HMY 11, doing 125 commonly in traffic while it is posted either 80 or 90...Sometimes you just have to survive!
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View my fuel log 2015 Micra SV manual: 6.6 L/100 km ... 43.0 mpg (Imp) ... 15.2 km/L ... 35.8 mpg (US) ...