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Old 11-05-2013, 04:46 AM   #2 (permalink)
In the fasting lane
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Location: Nieuwegein, the Netherlands
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Red Devil - '11 Honda Insight Elegance
Team Honda
90 day: 51.36 mpg (US)

It - '09 Hyundai I10 Active Cool
Team Hyundai
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In a manual?
Never mind the sweet spot, select the highest gear you can and drive as slow as you dare.
The sweet spot is important under high load. Under light load more RPM just means more engine drag.

My 1.3 liter Insight has a CVT, but it runs at just 1800 RPM at 90 km/h and 60-70% engine load.
Would it rev to 3000 RPM to do the same then it would have about 40% engine load and lose al lot of power to pumping losses and friction. No doubt the same is true for manuals.

Buy an UltraGauge or ScanGauge so you can see the instant fuel consumption while maintaining a steady speed. No doubt you will see it improve with the higher gears.
2011 Honda Insight + HID, LEDs, tiny PV panel, extra brake pad return springs, neutral wheel alignment, 44/42 PSI (air), PHEV light (inop), tightened wheel nut.
lifetime FE over 0.16 Gmeter or 0.1 Mmile.

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