"Winter Formulation Fuel"
#1
04-04-2008, 08:33 PM
Join Date: May 2006
Location: Far Suburbs of Chicago
Posts: 203
"Winter Formulation Fuel"
Does anyone happen to know when winter formulation fuel is phased out? I usually see a drop around the first fill up in October.
I am guessing that the end of March / beginning of April is range when it is phased out, mainly because I have seen a VERY SIGNIFICANT increase in mileage this last tank - I am talking like 10% better FE - and I do not believe it is the slightly milder temps...
Anyone else in the Midwest notice a big difference?
I am guessing that the end of March / beginning of April is range when it is phased out, mainly because I have seen a VERY SIGNIFICANT increase in mileage this last tank - I am talking like 10% better FE - and I do not believe it is the slightly milder temps...
Anyone else in the Midwest notice a big difference?
#2
04-05-2008, 03:14 PM
Re: "Winter Formulation Fuel"
Yes I do notice a drop. April 1st is the time that everything changes over. That is why you sometimes see an overnight jump of 15 to 20 cent. I live in Kansas City and I have noticed a drop but usually that is offset as the weather warms up and the car has less and less deep cold starts.
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