Dunno. You need some proper ABA testing results to see the effect on mileage.
I expect the full black ones have little to no positive effect.
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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.
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