Again, a lot of work has been done. I don't know if we can satisfactorily answer your question in the sense that when you get to that level of detail, you're doing that in the development of regulation.
Having said that, we've done a lot of background work in relation to research and development and in understanding what the capacities are out there in terms of the different technologies that exist. We therefore would be looking forward to working with industry to move as quickly as we possibly can to have something implemented through regulation.
And having said that, I--