Atmosphere,
Год журнала:
2025,
Номер
16(3), С. 285 - 285
Опубликована: Фев. 27, 2025
Maritime
regulators
are
closely
monitoring
the
progression
of
green
shipping,
and
liner
companies
seeking
strategies
to
meet
tough
ship
emission
rules.
To
reduce
operating
cost
while
conforming
increasingly
strict
environmental
regulations,
study
first
constructs
a
mixed-integer
nonlinear
optimization
model.
Subsequently,
parts
in
objective
function
constraints
transformed
into
linear
forms.
Thereafter,
model
is
applied
Asia–Europe
route
CMA
CGM
Shipping
Company
find
planned
speeds
bunkering
for
container
liners
sailing
expanded
control
areas
(ECAs)
that
will
be
implemented
future.
Finally,
sensitivity
analysis
performed
examine
influence
bunker
tank
capacity
fuel
price
difference
on
cost,
carbon
dioxide
emission,
strategy
speed.
The
contributes
determining
optimal
developing
at
different
differences.
With
stricter
policies,
operators
must
strategically
choose
refueling
ports,
adjust
amounts,
optimize
based
data.
proposed
approach
provides
solution
contradiction
between
compliance
with
regulations
cost-effectiveness
shipping
great
significance
promoting
sustainable
development
waterway
transportation
industry.
The Canadian Journal of Chemical Engineering,
Год журнала:
2024,
Номер
unknown
Опубликована: Июль 10, 2024
Abstract
The
International
Maritime
Organization
(IMO)
aims
to
reduce
greenhouse
gas
(GHG)
emissions
by
40%
2030
compared
with
2008.
carbon
intensity
indicator
(CII)
calculates
the
annual
reduction
factor
required
continuously
improve
a
ship's
operational
at
specific
rating
level.
Verification
and
documentation
of
achieved
CII
against
prescribed
target
are
necessary
establish
rating.
This
study
focuses
on
intricate
process
data
collection
for
within
oil
shipping
industry,
targeting
engineering
departments
shipboard
management
teams.
Against
backdrop
industry's
substantial
dioxide
emissions,
IMO
has
mandated
calculation
values
ships
exceeding
5000
gross
tons
promote
sustainability
environmental
impact.
We
have
collected
emission
20
tankers
over
period
2
years
using
our
ship
maintenance
operating
system
(SMOS)
analyzed
compare
ratings.
Our
results
indicate
that
staggering
~63%
vessels
had
lowest
category
E.
It
is
therefore
crucial
properly
collect,
organize,
evaluate
take
measures
paper
provides
deeper
insight
into
evolving
methodology,
emphasizing
incorporation
correction
factors
exclusions,
delineates
essential
practices
needed
facilitate
accurate
calculations.
Energies,
Год журнала:
2024,
Номер
17(12), С. 3018 - 3018
Опубликована: Июнь 19, 2024
A
formulation
is
presented
for
the
assessment
of
CO2
generated
by
ships
in
operation
and
their
evolution
with
time,
conditional
on
current
legislation
using
Markov
chains.
Any
potential
deep
repair
or
retrofitting
ship
propulsion
system
enhancement
route
operational
characteristics
during
service
life
are
not
accounted
for.
The
transition
matrix
defined
based
operations
history
A,
B,
C,
D,
E
carbon
intensity
indicator
(CII)
rates.
between
different
CII
rate
states
survey
data
used
to
estimate
probability
analysed
grates.
Distinct
matrices
employing
progressively
tightened
employed
analysed.
In
addition,
can
be
fed
into
risk-based
models
that
take
rates
as
input
defining
most
appropriate
energy
efficiency
management
plan.
Journal of Marine Science and Engineering,
Год журнала:
2025,
Номер
13(2), С. 204 - 204
Опубликована: Янв. 22, 2025
This
paper
explores
how
optimizing
vessel
speeds
can
help
reduce
carbon
emissions
in
the
maritime
industry.
Focusing
on
liner
shipping
routes
between
China
and
Europe,
it
examines
pricing
mechanisms,
including
taxes
trading
under
European
Union
Emissions
Trading
Scheme
(EU
ETS),
impact
operational
costs
reduction.
With
use
of
advanced
optimization
methods,
such
as
Non-dominated
Sorting
Genetic
Algorithm-II
(NSGA-II)
Technique
for
Order
Preference
by
Similarity
to
an
Ideal
Solution
(TOPSIS),
this
research
balance
adjusting
minimizing
emissions.
The
findings
show
that
companies
China–Europe
route
financial
strain
carefully
managing
voyage
times.
study
compares
two
scenarios
tax
policy
rights
terms
results
comparison
based
given
parameters
indicate
a
reduction
1124
tons
with
scenario,
while
scenario
allows
more
voyages
yearly
(5.24
vs.
5.30).
demonstrates
one
being
economical,
other
is
also
environmentally
efficient.
These
insights
support
development
strategies
align
environmental
goals
economic
priorities,
paving
way
sustainable
operations.
introduces
its
objectives
reviews
relevant
literature
presenting
detailed
methodology,
incorporating
modeling
clearly
defined
parameters.
analysis
presents
undergo
sensitivity
testing
limitations
using
MATLAB
(R2022a
version).
concludes
discussing
implications
recommendations
future
practical
advancement
