When I talk about technological progress here, we need to take into consideration that if we happen to put in place a cap-and-trade system, we are going to get some revenue. The question will come to this: how do we use the revenue?
The point I'm going to make here is that taking part of the revenue that we get in order to subsidize our technological research and development--for example, to subsidize innovation--will help us, because just relying on the cap and trade, thinking this will solve the climate change problem, would be very difficult in the long run. As we keep growing and we keep the level of total emissions constant, the effort we'll have to make in terms of a reduction in GDP, for example, will increase. So in order to relax that constraint in terms of emissions, we need to find some ways in order to be less dependent on energy, for example, or to decouple energy and emissions to some extent.
That's the reason I'm talking about technological progress, and we need necessarily to fund R and D, research and development, activities in order to move forward on this particular program. That's what I mean.