May I say that I benefited very much from conversations with the right hon. Gentleman about these issues? His contribution to this debate has been very important. He is right that, on coal, we are moving towards a need for the right form of smart regulation to drive the right investments by energy companies. I have also benefited from my discussions with them about these issues and about getting the balance right. The EU emissions trading scheme is calculated as part of the general accounting that is done by the Government and the Treasury and is part of those overall accounts.