Re: Now that you got your unicorn, here is a cetane list
I worked at the refinery close to me in Ohio, I know that even as often as week to week weather changes, they would blend things different. In general there is "summer" and "winter" blends...I.e. Depending on how cold it gets where you live, you'll see a decrease in mileage using winter blend. That said, there is still a "baseline" that must be met. Also, especially in winter, I tend to use stations that turnover their fuel tanks frequently, so there is always fresh fuel. For the most part, about anywhere you get fuel, it's good fuel, some engines just seem to take to certain brands better than others. Some fords(gas) used to say on the fuel cap, BP recommended, not sure if they still do, we phased out fords at work a couple years ago.
If you were born here, you're American, no colors, no races...know your heritage and be proud of it, but act like an American, or go to the nearest coast or border...AND LEAVE!!