SHIPBUILDING/SHIP REPAIR: An in-depth report showcasing progress and infrastructure changes at the system’s shipyards, as well as results from a study on revitalizing the U.S.-flag fleet.

COMMODITIES: An analysis of trade patterns for coal, including a look at how Ontario’s stance to eliminate coalfired electricity production is impacting coal movement throughout the system.

BALLAST WATER MANAGEMENT: A detailed look at the U.S. Environmental Protection Agency’s 2011 proposed issuance of the first national Vessel General Permit and how it’s expected to impact vessel traffic.

DREDGING: A report on how beneficial reuse of dredged material is growing in importance, including some of the approaches being used and why this approach is crucial in light of changing federal and state regulations.

PROPULSION: A look at the potential of using LNG to fuel system vessels.

ALSO IN THIS ISSUE: Guest Editorial; Shipyard Activity Report; Seaway Administrator’s Outlook; Naval Architecture & Marine Engineering; Dateline; Interviews; Great Laker.

BONUS DISTRIBUTION: Mari-Tech 2012, Windsor Marine Night, Green Tech 2012, U.S. Great Lakes Shipping Association Spring Meeting, Great Lakes & St. Lawrence Cities Initiative TRB 2012 Joint Meeting, 19th Annual Lighthouse Festival, Port Huron Marine Mart, International Joint Conference.

Editorial subject to change without notice.