I fill up all the time from empty, because:
1) Gas gets more expensive every week. Except after summer. The way gas prices are better to just get as much as you can now.
2) I think it is a waste of time and gas going to the gas station 3x (1/4 tank) more often than needed. Even if you get paid minimum wage, 5 mintes each fill up waste 15 minutes. That's what? $2.
I have to add, Don't store large amounts of gas at home. Some one burned down there house last week.
Sorry, Both are not related highest mpg possible. But you gotta be practical.
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