Ok, I calcultated that if my average Idle Time at a stop light is 30 sec, 24 stoplights per day and 0.22 gph. Then that would be 1 gallon of fuel per week. If I were to turn the motor off instead of idling, then that would be a 1mpg gain or 2%. I believe these numbers are high, I will have to take a stop watch with me for a couple days to see what the actual is...
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