Honestly, they were driving different styles...some guys were trying to save, so they were driving slower and turning off the engine during caution laps. I don't think there were any teams in particular that were better at fuel mileage than others.
That being said, teams like Logano, Kez and anyone who needs a win to get into the chase will be aggressive and take the chance to get the win. Gordon, Kahne, etc.
Honestly, they were driving different styles...some guys were trying to save, so they were driving slower and turning off the engine during caution laps. I don't think there were any teams in particular that were better at fuel mileage than others.
That being said, teams like Logano, Kez and anyone who needs a win to get into the chase will be aggressive and take the chance to get the win. Gordon, Kahne, etc.