One of the questions that the Hon David Bennett raised was around whether dairy companies are already in the emissions trading scheme and whether they receive free units in the industrial allocation system. The point that I was making before was that agricultural emissions in the form of biogenic methane and nitrous oxide are not part of the emissions trading scheme; so industrial users like Fonterra—which was the point that you raised—are because that's carbon dioxide, so it's an industrial gas and is covered by the emissions trading scheme. But my point was that in the sector, in terms of the primary production component, those gases are not included in the emissions trading scheme—only carbon dioxide and a handful of other minor gases are.