---

Fourth Carbon Budget

We have every intention of ensuring security of supply, and gas will perform an important role in that regard, in the short run and in the medium run. Given the worldwide potential for the exploitation of unconventional gas from shale and other formations, it might well be the case that gas will play a long-term part in our energy mix as well, through clean coal and gas, and carbon capture and storage. I take the hon. Gentleman's point on board, however, and we will not have stranded assets of the kind he describes. We will be introducing our proposals in the White Paper on electricity market reform.