After watching the last two races its pretty clear that teams are struggling with it and the rhythm of the pit stop. They will get it figured out here soon. I think in the long run this new method of fueling a car will work out better than the old system. Source(s): // 9 months ago 4 people rated this as good at least you can appreciate the innovation. The beauty of NASCAR is the "object of play", and it's constant technological metamorphosis.