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I did see some turbo prop planes with weirdly warped propeller blades lately. It just does not get a lot of attention.
They don't replace the long distance air liners as jet engines have had their own development too. Some aviation expert said not long ago that aviation gets 1% more efficient each year, mainly due to jet development.
It is not enough to offset the yearly 4-6% growth in aviation passenger miles though.
The Maverick and likewise could bring fuel consumption down by 20% in one go. That should buy us a couple of years.
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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 0.2 Gmeter or 0.13 Mmile.
For confirmation go to people just like you.
For education go to people unlike yourself.
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