Archive of: Environment Articles

Title Issue
Global ballast water treaty to enter into force in 2017

Global ballast water treaty to enter into force in 2017

Ratification by Finland triggers treatment requirements under a 2004 IMO pact

Web Bulletin 2016
Scripps research vessel runs on renewable biofuel for one year

Scripps research vessel runs on renewable biofuel for one year

The hydrogenation-derived renewable diesel does not require engine adjustments

Web Bulletin 2016

ACL fined $805,440 for clean water violations

The company repeatedly discharged sewage and polluted wastewater into the Ohio River

Web Bulletin 2016
Freighter held in Duluth for possible environmental violations

Freighter held in Duluth for possible environmental violations

M/V Cornelia and crew have been detained at anchor since Nov. 5

Web Bulletin 2015

Low-sulfur fuel still pricey, but supply challenges may ease by 2015

When California decided in 2008 to require that all oceangoing vessels operating within 24 nm of the state’s coastline use low-sulfur fuel, the state’s Air Resources Board called it the most “stringent and comprehensive requirement for marine fuel use in the world.”

February 2014
Weeks Marine suction dredge vital to restoring Louisiana’s coastline

Weeks Marine suction dredge vital to restoring Louisiana’s coastline

On a drizzly Gulf Coast morning in March, the Weeks Marine cutter suction dredge C.R. McCaskill was pumping a thick mud sludge of dredge spoil through a 30-inch diameter pipe at 400 psi on a six-mile journey into Louisiana’s marshland. It took the mud 25 minutes to reach its destination.

August 2013
Turning waste heat into electricity saves fuel, reduces CO2 emissions

Turning waste heat into electricity saves fuel, reduces CO2 emissions

There are currently around 16,000 registered vessels sailing worldwide. This huge commercial shipping fleet accounts for between 4 to 5 percent of the world’s carbon emissions suspected of causing climate change, according to Sweden’s Opcon Energy Systems AB.

June/July 2013
Engineers resurrect use of water-lubricated propeller shaft bearings on commercial ships

Engineers resurrect use of water-lubricated propeller shaft bearings on commercial ships

As environmental regulations tighten, water-lubricated propeller shaft bearings are becoming a popular alternative to oil-lubricated bearings for commercial vessels.

June/July 2013
Green ship design makes excellent environmental and economic sense

Green ship design makes excellent environmental and economic sense

Today’s maritime industry is entering the age of the green ship.

May 2013

U.S. renews offshore wind tax credit that industry says it needs

Some U.S. offshore wind energy development may be ready to accelerate again now that the federal government has renewed a key tax incentive.

April 2013
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