2014-2018 Mazda 3 Skyactiv Discussion
This last week has been the coldest in my area yet this winter. I have not yet got any more than About 31 MPG on a long non stop HWY trip in 10-20 degree weather.
Untill I did this.
Using I-Loop in the city up and down hills this week. I was able to get 32.8 by carefully keeping the I-loop...