Quote:
Originally Posted by dcb
not sure you did that right. it isn't at all obvious when fuel is in the denominator so lets flip it.
in your scenario car A(10mpg) gets .1 gpm (gallons/mile)
and car B(20mpg) gets .05 gpm.
so @ 10k miles a year they would use 1000 and 500 gallons respectively.
so 2% of that would be ~20 gallons and 10 gallons respectively "saved per year".
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I gotta decimal point wrong....