The Misano Chip has been delivering 44 mpg in colder air temperatures which tend to decrease fuel mileage.
Fuel having a high ´natural´ cetane number obtained through high energy paraffin content may provide better fuel mileage than lower energy fuel or fuel with poor natural burning characteristics plus a cetane improver, if ambient temperatures are adequate to prevent gelling of the high paraffin fuel.
Using highway mileage, their 15,000 mile fuel expenses come out to $1071.00 for the Subaru and $1764.00 for the Jeep.
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