I don't have that information in front of me. Wood is, almost by definition, a carbon-neutral fuel, so while there is carbon emission from the forest, it absorbs those carbon atoms from the atmosphere. We do follow the emissions from home wood combustion more from an air pollutant perspective, because there are potential significant localized air pollutants that come from wood combustion. There had been talk at one point of some regulatory measures about more high-efficiency wood stoves, but I've lost track of the status of those air pollutant policies over the years.
So we'd have to come back to you on that, but it certainly has not been a target of our policies at this point.