Certainly we applaud the idea of having it harmonized within North America. We would caution that it's not just the U.S. that we have to pay attention to. It is also Europe and the non-annex I countries.
And let's not pretend that it's a simple piece of policy. It's easy to put a target out there, but it's actually the measures used to implement the target that tell the story, both in terms of whether or not it really impacts the climate and also in terms of the economics.