Heliyon,
Год журнала:
2023,
Номер
9(5), С. e16260 - e16260
Опубликована: Май 1, 2023
Reducing
emissions
from
the
transport
sector
is
one
of
crucial
countermeasures
for
climate
action.
This
study
focuses
on
optimization
and
emission
analysis
regarding
impacts
left-turn
lanes
mixed
traffic
flow
(CO,
HC,
NOx)
with
both
heavy-duty
vehicles
(HDV)
light-duty
(LDV)
at
urban
intersections,
combining
high-resolution
field
data
simulation
tools.
Based
high-precision
collected
by
Portable
OBEAS-3000,
this
first
develops
instantaneous
models
HDV
LDV
under
various
operating
conditions.
Then,
a
tailored
model
formulated
to
determine
optimal
left-lane
length
traffic.
Afterward,
we
empirically
validate
analyze
effect
lane
(before
after
optimization)
intersections
using
established
VISSIM
simulations.
The
proposed
method
can
reduce
CO,
NOx
crossing
around
30%
compared
original
scenario.
significantly
reduces
average
delays
16.67%
(North),
21.09%
(South),
14.61%
(West),
2.68%
(East)
in
different
entrance
directions.
maximum
queue
lengths
decrease
79.42%,
39.09%,
37.02%
Even
though
HDVs
account
only
minor
volume,
they
contribute
most
intersection.
optimality
validated
through
an
enumeration
process.
Overall,
provides
useful
guidance
design
methods
designers
alleviate
congestion
strengthening
improving
efficiency.
Journal of Open Innovation Technology Market and Complexity,
Год журнала:
2024,
Номер
10(1), С. 100217 - 100217
Опубликована: Янв. 23, 2024
The
research
explores
the
impact
of
environmental
technologies
and
renewable
energy
on
carbon
dioxide
(CO2)
emissions
from
EU
transportation
sector
(2007-2020).
Utilizing
panel
corrected
standard
error
feasible
generalized
least
squares
methods,
study
uncovers
key
drivers
influencing
declining
CO2
emissions.
results
reveal
a
significant
variable
effect
in
transport
sector,
emphasizing
positive
correlation
between
increased
adoption
emission
reduction.
This
underscores
necessity
for
heightened
investment
sustainable
infrastructure
clean
solutions,
encompassing
initiatives
like
electric
vehicles,
hydrogen
fuel
cells,
biofuels.
further
recommends
promoting
sources
systems,
aligning
with
broader
goals
European
Green
Deal
Climate
Law.
Additionally,
provides
essential
insights
into
policy
implications,
multifaceted
approach
including
comprehensive
strategies
cleaner
transportation,
innovation,
education
to
accelerate
transition
towards
practices
EU.
Journal of Traffic and Transportation Engineering (English Edition),
Год журнала:
2023,
Номер
10(5), С. 878 - 899
Опубликована: Окт. 1, 2023
The
transportation
sector
is
one
of
the
major
sources
global
carbon
emissions.
In
this
study,
a
bibliometric
analysis
was
conducted
using
CiteSpace
and
VOSviewer
for
articles
published
in
field
emissions
(TCEs)
between
1997
2023.
From
analysis,
our
research
shows
that:
(a)
number
on
TCEs
has
grown
rapidly
since
2010;
(b)
China,
United
States,
Kingdom
are
important
forces,
with
Helmholtz
Association
German
having
highest
publications;
(c)
Transportation
Research
Part
D:
Transport
Environment
most
cited
journal
field;
(d)
current
hotspots
mainly
focus
theory
methodological
approaches,
low-carbon
travel,
green
supply
chain
management,
emission
drivers;
(e)
while,
scenario
data
envelopment
vehicle
routing
problem
popular
keywords
that
have
been
used
recent
years.
Finally,
trends,
study
also
proposes
series
future
endeavours
TCEs.
Journal of Environmental Economics and Management,
Год журнала:
2024,
Номер
125, С. 102941 - 102941
Опубликована: Фев. 19, 2024
This
paper
addresses
econometric
challenges
arising
in
panel
data
analyses
related
to
IPAT
(environmental
Impact
of
Population,
Affluence
and
Technology)
models
other
applications
typically
characterized
by
a
large-N
large-T
structure.
poses
specific
complexities
due
nonstationarity
cross-sectional
error
correlation,
potentially
affecting
consistent
estimation
valid
inference.
We
provide
concise
overview
these
complications
how
deal
with
appropriate
tests
models.
Moreover,
we
apply
insights
empirical
examples
based
on
the
identity,
offering
into
robustness
previous
findings.
Our
results
suggest
that
using
standard
techniques
can
lead
biased
estimates,
incorrect
inference,
invalid
model
adequacy
tests.
flawed
policy
conclusions.
practical
guidance
practitioners
for
navigating
issues.
