Well, the International Maritime Organization is really spending a lot of effort and energy to improve the air emission of ships. Wendy was talking about the ECA, the zone around countries, North America and Europe, where ships have to burn very low sulphur content fuel. The criteria and requirements are also getting more stringent internationally. The more the ECA zones are getting stringent, the more the international criteria are also getting stronger. The tendency is to have cleaner fuel.
On the other hand, in the marine industry—and I think Jonathan can speak with more experience than I; he's in construction—there's a lot of R and D money spent in all the marine companies, shipbuilding, to have cleaner vessels that use LNG, solar energy, and all these kinds of technologies right now, again to improve the footprint impact of their activities.