Have you tried driving in fourth gear? That should give you the revs you need for lean burn at lower speed. Maybe the lower aero load makes up for the extra revs.
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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 0.17 Gmeter or 0.1 Mmile.
Investors woes:
"In hindsight, I should have placed a bet on the horse that won the race"
"In hindsight, I should have bet more on that horse"
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