I think with something like LEED, there is the opportunity to include these types of materials. It really then becomes a matter of how that procurement process occurs and initially, even at the federal government level, how buildings and roadways are built, when you're dealing with structures and lands that are owned by the federal government, and a matter of having initiatives to actually incorporate these materials as the norm for structures and for roadways. That incentive may come in the form of something for early adopters, in the same way ecoENERGY works to give that incentive.
I can speak to some municipalities that are looking at taxing stormwater management. Mississauga, for example, is coming forward with an increased tax on impervious surfaces. It's a disincentive in a way, but at the same time it is an incentive in that if you're looking at new construction, you'll put in pervious surfaces to reduce your long-term tax bill. So there is the opportunity.