I would just build on that. Each company chooses its own markets to participate in, and as Mr. Carter had indicated, research and development of new technologies is extremely important to all of us.
Suncor has been investing over $100 million a year in wind energy, and we anticipate doing that going forward. We also invest in biofuels. So we would agree with Mr. Clarke that the world is going through an energy transition, but that's many decades out.