On Fri, 14 Mar 2008 12:10:41 -0700 "Zoltan Finks"
<[EMAIL PROTECTED]> wrote:
> We may need to recalculate, but I was thinking it was an interval of
> some $.40 or so between gas and diesel when we figured it.
It's not the interval (differential), it's the ratio:
mpg gasoline price gasoline
-------------- = ----------------
mpg diesel price diesel
You can solve that an number of different ways. For example,
price gasoline
mpg gasoline = mpg diesel x ----------------
price diesel
Choosing some arbitrary numbers, assume:
mpg diesel = 30 miles/gallon
price diesel = $ 3.00
price gasoline = $ 2.00
2.00
So if your gas car gets better than 30 x ------ = 20 miles/gallon,
3.00
you're better off driving the gas car.
Craig
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