CORRECTION: U.S. proposes tougher ocean vessel emission standards

CORRECTION: U.S. proposes tougher ocean vessel emission standards    The World Shipping Council, which represents international ocean liners serving the U.S. market, is analyzing a U.S. proposal to the IMO that would establish higher performance standards for reducing ozone-depleting vessel emissions. An article in Wednesday's Shippers' NewsWire incorrectly stated that the council already supports the proposal.