You have raised a couple of really important issues.
One is a repeat of the question about whether increased incentives for biofuels will have an impact on what we use our crops for and on their availability for food.
The clean fuel standard has explicit criteria built into the regulations such that we will not provide credits for crops or forestry products that displace or expand into high-biodiversity areas. We have seen no impact over the last decade, as my colleague from Agriculture and Agri-Food indicated, and we don't expect to see that kind of an effect. What we do expect to see is more efficient use of the kinds of wastes that you talked about.
Now, not all wastes will—