@Jim
We have 4 octan classes over here
Regular 92 octan
Super 95 octan
Super plus 98 octan
Ultimate 100 octan
the liter regular is 1,62$ here in Germany
that`s 6,12$ a gallon
the liter Ultimate is 2,70$
that`s 10,20$ a Gallon
- you folks live in a cheap fuel country
Frank
