Originally Posted by pickle311

I don't understand how these guys have fuel sponsors and can't run their fuel. They have spent significant time testing and tuning with a specific fuel. They know how their engine tunes with their fuel, they know what to expect mileage wise. Changing fuels at this level of racing can throw them off just enough to create a terrible week of racing for someone, and it likely will.
If I were traveling around the world to the most prized race in the world, you can bet I'd do everything possible to get the fuel I'm comfortable with.