 Well, I think it's going to be a learning for everybody. It doesn't matter how many miles you've got in until you actually race. Nobody's actually raced with it. You know, the fuel mileage is a different thing. The way you produce fuel mileage out of it, how you use it, when you use it. Some guys won't use it to save fuel. Some guys will use it to help save fuel. Some guys, you know, it's just going to be a learning process. Where we are a year from now is going to be totally different than the way we run it right now.