Yes, it's been a very interesting panel today with all of the variety we have here. You can see the competition you have out here and what we as government are dealing with when we try to put you all into our thinking as to where things are going in the future.
I'll stay with you for a moment, please, Mr. Truckenbrodt. With regard to hydrogen infrastructure, we've talked about it being really expensive. I think you said it was a showstopper. We've also heard that natural gas infrastructure is very expensive. Can you put one of those ahead of the other as far as which one you think is going to be most easily commercially adaptable? I hope that's a fair question for you.