Mr. Speaker, I am simply delighted that the Leader of the Opposition is now focusing on an issue that we have been working on for some years.
Yes, there are potentials for alternative fuels, which have other aspects to them, that may not be 100% of what we want. Therefore, we are working on that. There is a heavy technical aspect.
However, I can assure him that CO
2
does have an effect upon air quality in Canada because other pollutants emitted into the atmosphere, such as nitrous oxide and sulphur dioxide, need heat to make the smog that we see so often in Canada, and that is what--