Since buying the 2008 Hyundai Santa Fe, I decided I’d use only Top Tier Gasoline. Does it make a difference? Based on reports, I think it does. Also, I’ve kept gasoline mileage records on every refueling and I’m seeing about 10% lower average fuel economy with 10% ethanol gasoline versus straight gasoline. (See link for additional information.)
Dedicated to the stewardship of God’s gifts.