Originally Posted by myrt1987
Havent had a tank under 30mpg calculated."
I'm the same. With some of the cold weather we have had in January (below zero F) I've had one tank @29.x but all the others have been 30 or better calculated and not taking into account odometer issues which slightly under report miles.
I drive 75% highway or there about, and usually a 30+mile commute anywhere from 55 to 70 mph on urban interstate and then a few miles of city streets. Throw in some traffic or snowy commutes. Its had to give a true highway/city split. (With the CVT)r
Here in MN we have ethanol year round. I did find some interesting articles on summer vs winter blends and a map of differnent gas blends in the US. While many like to blame the ethanol (and yes it might hurt mpg some) butane seems to be the key between winter and summer differences.
Out east there appears to be a host of different state and regional gas requirments.