Tankers can range in size of capacity from several hundred tons, which includes vessels for servicing small harbours and coastal settlements, to several hundred thousand tons, for long-range haulage. Besides ocean- or seagoing tankers there are also specialized inland-waterway tankers which operate on rivers and canals with an average cargo capacity up to some thousand tons. A wide range of products are carried by tankers, including:
Tankers are a relatively new concept, dating from the later years of the 19th century. Before this, technology had simply not supported the idea of carrying bulk liquids. The market was also not geared towards transporting or selling cargo in bulk, therefore most ships carried a wide range of different products in different holds and traded outside fixed routes. Liquids were usually loaded in casks—hence the term "tonnage", which refers to the volume of the holds in terms of how many tuns or casks of wine could be carried. Even potable water, vital for the survival of the crew, was stowed in casks. Carrying bulk liquids in earlier ships posed several problems:
1 from a foreign-flagged commercial ship anchored off Huntington Beach... He said the Coast Guard put out a broadcast to the many cargo and tanker ships anchored off the Los Angeles and Long Beach ports, along with oil rigs, seeking more information but did not receive any response.
In her speech, Van Ovost also highlighted a recent Transcom study of sealift fuel tanker capacity. The study provides new support for a plan to subsidize the U.S.-flag product tanker fleet, in the same manner as the Maritime SecurityProgram (MSP) for foreign-built, U.S.-flagged, U.S.-crewed cargo ships.
They arrive in 20-foot long, or more commonly 40-foot long, steel shipping containers ... The 62 ships contain the equivalent of about 200,000 20-foot containers. Overall there were a record 100 cargo vessels — including barges, tankers, car carriers and ships that carry bulk goods — anchored just outside the ports as of Monday.
GAYLORD — Increasing global demand and an economy recovering from the coronavirus pandemic are behind a surge in oil, natural gas and propane prices in the U.S. and around the world ...Natural gas ... "Prices are being driven higher in the U.S ... "When they ship a tanker of propane (overseas) they are taking 17 million gallons of propane per ship," he said ... .
The logjam of cargo, container, and tanker ships trying to access Long Beach and Los Angeles ports has hit a record of 100 vessels as of Monday evening. Another 45 are expected to arrive in the next three days ....
31 out of the 40 winning photos are from Filipino seafarers ... "[This] echoes the IMO's intention to ensure that even when in the middle of the ocean onboard a tanker, bulk carrier or container ship, our seafarers feel valued and cared for," Kitack Lim, Secretary-General of the International Maritime Organization (IMO), said ... .