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Tonnage
Tonnage is a measure of the size or cargo capacity of a ship. The term derives from the taxation paid on tuns of wine, and was later used in reference to the weight of a ship's cargo; however, in modern maritime usage, "tonnage" specifically refers to a calculation of the volume or cargo volume of a ship. The term is still sometimes incorrectly used to refer to the weight of a loaded or empty vessel.
Measurement of tonnage can be less than straightforward, not least because it is used to assess fees on commercial shipping.
You Haven't Forgotten the Tonnage Clause, Have You?
The Second Circuit hasn't....
Tonnage Clause Day at the Supreme Court
If you've forgotten from your con law class that the Constitution contains a clause barring states from imposing "any duty of tonnage" without congressional consent, Justice Stephen Breyer forgives you...
Truck Tonnage: More Cliff Diving in March
From the American Trucking Association: ATA Truck Tonnage Index Plunged 4.5 Percent in March Click on graph for larger image in new window...
Truck Tonnage Index Increased in May, Off 11% from May 2008
From the American Trucking Association: ATA Truck Tonnage Index Increased 3.2 Percent in May Click on graph for larger image in new window...
ATA Truck Tonnage Index Declines in September
From the American Trucking Association: ATA Truck Tonnage Index Slipped 0.3 Percent in September Click on graph for slightly larger image in new window...
ATA Truck Tonnage Index Declines 2.2 Percent in April
Note: Market graph at bottom of postPress Release: ATA Truck Tonnage Index Fell Another 2.2 Percent in April (ht dryfly) The American Trucking Associations' advance seasonally adjusted (SA) For-Hire Truck Tonnage Index fell 2...
















