True, there is a limit to how slow you can go. Obviously you cannot bump start in 5 when you're only doing 10 mph; the revs would be below idle speed. But then there's the starter motor.
That's the coast to the lights choice; bump start when they get green, but just stop with engine off when they stay red, and use the starter motor when it finally turns green rather that bump starting at the last remains of speed when the lights are still red.
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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 Gigameter or 0.13 Megamile.
For confirmation go to people just like you.
For education go to people unlike yourself.
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