Maybe a couple of quick points.... I know that the natural instinct when we talk about greenhouse gas emissions is to talk about jet fuel and fuel for various capabilities. When the CAF is called into service, they need to deploy the assets we have at hand, and that will continue. Where we can really focus is on the greenhouse gas emissions that come from our buildings.
We have an awful lot of really old buildings and really old warehouses. If we can streamline those, modernize them and make them more energy efficient, that will be where the bulk of our greenhouse gas emission reductions will come from. It's doable. There are projects under way on the east coast to make some of those facilities more efficient as well.
The CFO may have more to add here, but I would focus in on infrastructure as opposed to planes and trucks.
Cheri, do you have anything to add there?