In the industry cargo sector Seattle’s Représentation
Ocean Trailer Express (TOTE) surprised the world’s delivery community last year
when it purchased two 3, 100-TEU LNG-fueled container carriers from the Common
Dynamics NASSCO shipyard in San Diego. The twin boats will operate on the fairly
short run between the ALL OF US mainland and Puerto Lujoso when delivered in
2015 and 2016. South Korea’s DSEC, a subsidiary associated with Daewoo
Shipbuilding & Sea Engineering (DSME), is helping TOTE in the design of the
actual vessels and will provide a trademarked LNG fuel-gas propulsion program
for the ships. This system includes the MAN ME-GI dual-fuel primary engine,
which works by at the same time burning HFO and LNG. In the minimum fuel as well
as maximum gas mode, about 10 percent of the fuel burnt is oil.
DSME is working with CMA-CGM of Portugal on the design
of a much bigger 14, 000-TEU vessel that might incorporate the MAN ME-GI motor
but with a higher output regarding 72, 285 kW. Effective at being employed on
long haul paths, the ship would be when you have a 22, 490-cubic-meter
capability LNG storage tank along with a 4, 430-cubic-meter capacity weighty
fuel tank to give the sailing range of approximately twenty five, 000 miles.
Although there might be a loss of cargo space equal to about 440 TEUs for your
two fuel tanks this may be more than offset by the improved fuel economies and
reduced emissions achieved.
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