Sustainability,
Journal Year:
2024,
Volume and Issue:
17(1), P. 190 - 190
Published: Dec. 30, 2024
The
collection
and
transportation
of
municipal
solid
waste
create
a
significant
energy
carbon
footprint,
resulting
in
environmental
impact.
Proper
management
organization
is
necessary
to
minimize
this
This
research
aims
identify
differences
similarities
sectors,
distinguish
affiliation
clusters
for
different
types,
determine
the
impact
geopolitical
factors
on
production
analyzed
region.
Therefore,
separated
sectors
types
were
analyzed.
Instead
using
Kolmogorov–Smirnov
distance
between
distributions
production,
statistics
have
been
calculated
based
L1
L2
norm
because
they
give
scale
differences.
multidimensional
scaling
method
(MDS)
cluster
analysis
with
Gaussian
mixed
model
(GMM)
used
changes
production.
technique
makes
it
possible
detect
Significant
membership
by
type
observed.
Geopolitical
such
as
COVID-19
pandemic
war
Ukraine
caused
sector
affiliations
under
analysis.
non-segregated
waste,
plastics,
glass,
while
no
change
generation
preferences
was
observed
paper
cardboard
waste.
all
Energies,
Journal Year:
2024,
Volume and Issue:
17(14), P. 3563 - 3563
Published: July 19, 2024
A
major
issue
with
spark-ignition
engines
is
their
fuel
inefficiency
and
negative
environmental
effects,
especially
in
urban
driving
situations.
This
topic
of
utmost
importance
considering
the
increasing
apprehension
over
contamination
need
for
enhanced
energy
efficiency.
The
research’s
originality
resides
its
strategy
to
tackling
this
without
necessitating
intricate
engine
changes,
a
manner
not
commonly
used.
research
uses
dual
that
integrates
both
theoretical
experimental
approaches.
component
entails
developing
models
forecast
effects
different
cylinder
deactivation
strategies
on
consumption
emissions.
Important
factors
address
model
are
introduction
air
into
cylinders
use
stopping
supply.
involves
conducting
bench
experiments
modified
verify
conclusions.
These
tests
assess
performance
metrics,
such
as
economy
effect,
under
load
study’s
findings
encouraging.
study
reveals
disabling
specific
group
while
permitting
unrestricted
intake
might
result
significant
improvements
economy,
anywhere
from
1.5%
10.5%,
depending
engine’s
workload.
Bench
testing
revealed
maximum
improvement
10.8%,
which
demonstrates
efficacy
strategy.
indicate
integrated
power
regulation
approach
greatly
improves
efficiency
decreases
impact
consequences
engines,
situations
low
idling.
technology
feasibility
solution
can
be
seamlessly
incorporated
current
designs
few
adjustments,
providing
practical
environmentally
responsible
option
enhancing
vehicle
performance.
results
has
wide-ranging
potential
automotive
sector,
particularly
cars
often
function
modest
levels
demand.
By
using
approach,
manufacturers
may
attain
diminish
emissions,
contributing
development
more
sustainable
transportation
options.
Silniki Spalinowe/Combustion Engines,
Journal Year:
2024,
Volume and Issue:
198(3), P. 34 - 40
Published: April 13, 2024
The
article
carries
out
a
detailed
analysis
and
evaluation
of
indicators
related
to
the
combustion
process
(pressure
temperature
in
engine
chamber,
heat
release
rate,
fraction)
JCB
444
TA4i
compression-ignition
fuelled
with
diesel
hydrogenated
vegetable
oil
(HVO).
During
empirical
tests,
operation
exhaust
gas
recirculation
(EGR)
system
was
stopped
no
other
changes
were
made
settings
(factory
used).
In
first
stage,
tests
carried
at
speed
characteristics
on
an
dynamometer.
Then,
experiment
crankshaft
corresponding
maximum
torque
-
which
consisted
determining
constant
mass
flow
fuel:
HVO
fuel.
This
provided
information
effect
relation
feed.
conclusions
drawn
from
study
can
be
used
develop
guidelines
change
operating
map
when
it
is
fed
oil.
Applied Sciences,
Journal Year:
2024,
Volume and Issue:
14(22), P. 10349 - 10349
Published: Nov. 11, 2024
The
article
analyzes
the
impact
of
selected
operational
parameters
internal
combustion
engine
vehicles
on
CO2
emissions.
study
was
preceded
by
a
detailed
analysis
issues
related
to
emissions
in
EU,
with
focus
Poland,
where
tests
were
conducted.
key
scientific
assumption
is
that
individual
vehicle
users’
behaviors
significantly
global
Daily
use
private
vehicles,
driving
style,
and
attention
fuel
efficiency
contribute
cumulative
effects
can
drive
transformation
toward
more
sustainable
transport.
Therefore,
conducted
using
real-time
empirical
data
obtained
from
vehicles’
OBD
(On-Board
Diagnostics)
diagnostic
systems.
This
approach
enabled
creation
tool
allowing
each
user
assess
ultimately
manage
its
levels,
which
biggest
innovation
work.
Two
levels
identified
as
categorical
variables
model,
considered
either
ecological
or
non-ecological
perspective
emission
threshold
200
g/km
adopted
based
average
age
Poland
(14.5
years)
Regulation
(EC)
No
443/2009
European
Parliament
Council.
Three
models
logistic
regression
dedicated
different
cycle
phases—starting,
urban
driving,
highway
driving—were
proposed
compared.
demonstrated
during
starting,
most
significant
factors
influencing
probability
are
velocity,
relative
load,
throttle
position,
while
for
other
two
types
movement,
power
torque
should
also
be
considered.
model
start-up
value
sensitivity
at
about
82%
precision
85%.
In
case
values
discussed
reach
higher
around
96%
92%.
turn,
achieved
highest
among
created
models,
97%
93%.
Revista Contemporânea,
Journal Year:
2024,
Volume and Issue:
4(11), P. e6657 - e6657
Published: Nov. 21, 2024
Esta
monografia
apresenta
uma
revisão
integrativa
sobre
o
uso
de
biocombustíveis
em
motores
combustão
interna,
abordando
seu
impacto
no
desempenho,
emissões
e
durabilidade.
A
análise
abrange
estudos
biodiesel,
etanol
misturas
biocombustíveis,
focando
nos
benefícios
desafios
ambientais
técnicos
sua
aplicação.
Os
resultados
indicam
que
os
reduzem
as
CO
HC,
contribuindo
para
mais
limpa.
Contudo,
observou-se
um
aumento
nas
NOx
desgaste
dos
componentes
do
motor,
exigindo
ajustes
específicos,
como
recirculação
gases
escape
(EGR)
materiais
resistentes
à
corrosão.
otimização
através
técnicas
controle
injeção,
aditivos
modelagem
computacional
(CFD)
mostrou-se
essencial
melhorar
a
eficiência
reduzir
impactos
ambientais.
pesquisa
conclui
que,
apesar
desafios,
representam
alternativa
promissora
transição
energética
sustentável,
desde
acompanhados
por
regulamentações
avanços
tecnológicos.
Sustainability,
Journal Year:
2024,
Volume and Issue:
17(1), P. 190 - 190
Published: Dec. 30, 2024
The
collection
and
transportation
of
municipal
solid
waste
create
a
significant
energy
carbon
footprint,
resulting
in
environmental
impact.
Proper
management
organization
is
necessary
to
minimize
this
This
research
aims
identify
differences
similarities
sectors,
distinguish
affiliation
clusters
for
different
types,
determine
the
impact
geopolitical
factors
on
production
analyzed
region.
Therefore,
separated
sectors
types
were
analyzed.
Instead
using
Kolmogorov–Smirnov
distance
between
distributions
production,
statistics
have
been
calculated
based
L1
L2
norm
because
they
give
scale
differences.
multidimensional
scaling
method
(MDS)
cluster
analysis
with
Gaussian
mixed
model
(GMM)
used
changes
production.
technique
makes
it
possible
detect
Significant
membership
by
type
observed.
Geopolitical
such
as
COVID-19
pandemic
war
Ukraine
caused
sector
affiliations
under
analysis.
non-segregated
waste,
plastics,
glass,
while
no
change
generation
preferences
was
observed
paper
cardboard
waste.
all
