Are 4 stroke outboard motor engines for boats going to be outlawed?

4 stroke outboard motor engines are unlikely to be outlawed anytime in the near future. 2 stroke engines probably will be outlawed. 2 stroke engines pollute the atmosphere. 4 stroke engines are standard gasoline engines like are in automobiles. They will probably be required to get better pollution control equipment, which will be easy. They will probably be required to be made more efficient, which will not be quite as easy. They will probably not be outlawed.