There are real benefits to reducing sulphur dioxides. We've heard about air pollution, human health—but there's a cost. There is a significant cost that New Zealand coastal shippers will bear and that our ports will bear as they have to build infrastructure to cope with the additional bunkering fuel requirements, the storage requirements, but also to cope with the discharges that this bill requires them to take care of when visiting ships visit ports and they're required to receive whatever's in the bilges from the ships. It's been described as sediment. I'm sure it is a very toxic and harmful substance, so it's good that these substances will be cared for, but there is a cost and there is also an issue with the supply chain.