Sustainability,
Год журнала:
2024,
Номер
16(21), С. 9268 - 9268
Опубликована: Окт. 25, 2024
This
paper
examines
the
impact
of
renewable
energy
heating
on
air
quality
in
China,
using
Qinling
Mountains–Huaihe
River
line
as
a
quasi-natural
experiment
to
distinguish
between
regions
with
central
and
those
without.
Employing
difference-in-differences
approach
analyzing
panel
data
from
298
cities
2014
2022,
our
findings
indicate
that
policy
has
significantly
improved
quality.
Specifically,
led
substantial
improvements
quality,
reducing
concentrations
key
pollutants:
SO2
by
28.31%,
CO
7.57%,
NO2
5.72%,
PM2.5
7.15%.
The
policy’s
effects
are
most
pronounced
lower
temperatures
eastern
parts
country.
Further
analysis
emphasizes
critical
role
transition,
environmental
regulations,
government
investment
technology
drivers
these
improvements.
Processes,
Год журнала:
2024,
Номер
12(11), С. 2434 - 2434
Опубликована: Ноя. 4, 2024
For
centuries,
fossil
fuels
have
been
the
primary
energy
source,
but
their
unchecked
use
has
led
to
significant
environmental
and
economic
challenges
that
now
shape
global
landscape.
The
combustion
of
these
releases
greenhouse
gases,
which
are
critical
contributors
acceleration
climate
change,
resulting
in
severe
consequences
for
both
environment
human
health.
Therefore,
this
article
examines
potential
hydrogen
as
a
sustainable
alternative
source
capable
mitigating
impacts.
It
explores
properties
hydrogen,
with
particular
emphasis
on
its
application
industrial
burners
furnaces,
underscoring
clean
high
density
comparison
fuels,
also
production
through
thermochemical
electrochemical
methods,
covering
green,
gray,
blue,
turquoise
pathways.
discusses
storage
transportation
challenges,
highlighting
methods
like
compression,
liquefaction,
chemical
carriers
(e.g.,
ammonia),
transport
via
pipelines
vehicles.
Hydrogen
mechanisms
optimized
burner
furnace
designs
explored,
along
benefits
lower
emissions,
contrasted
concerns
infrastructure
costs.
Additionally,
applications,
safety
concerns,
large-scale
adoption
addressed,
presenting
promising
yet
complex
fuels.
Hydrogen,
Год журнала:
2025,
Номер
6(2), С. 24 - 24
Опубликована: Апрель 10, 2025
Hydrogen
energy
is
essential
in
the
transition
to
sustainable
transportation
planning,
providing
a
clean
and
efficient
alternative
traditional
fossil
fuels.
As
versatile
carrier,
hydrogen
facilitates
decarbonization
of
diverse
modes,
including
passenger
vehicles,
heavy-duty
trucks,
trains,
maritime
vessels.
To
justify
clarify
role
this
study
conducts
comprehensive
techno-economic
environmental
assessment
production
USA,
Europe,
China.
Utilizing
Shlaer–Mellor
method
for
policy
modeling,
analysis
highlights
regional
differences
offers
actionable
insights
inform
strategic
decisions
frameworks
advancing
adoption.
potential
was
assessed
from
solar
biomass
resources,
with
results
showing
that
solar-based
significantly
more
efficient,
producing
704
tons/yr/km2,
compared
5.7
tons/yr/km2
biomass.
A
Monte
Carlo
simulation
conducted
project
emissions
market
share
gasoline
vehicles
2024
2050.
The
indicate
could
achieve
near-zero
capture
approximately
30%
by
2050,
while
will
decline
60%
higher
emissions.
Furthermore,
using
USA
yields
per
capita
output
330,513
kg/yr,
6079
kg/yr
concludes
hydrogen,
particularly
renewable
sources,
holds
significant
reducing
greenhouse
gas
emissions,
China
focused
on
addressing
dependence,
air
pollution,
technological
development
sector.
Sustainability,
Год журнала:
2024,
Номер
16(17), С. 7270 - 7270
Опубликована: Авг. 23, 2024
Green
transportation
is
the
core
embodiment
of
ecological
civilization
and
concept
green
development
within
field
transportation,
it
an
important
strategic
choice
for
sustainable
urban
development.
National
central
cities
represent
highest
level
in
China’s
system
planning.
This
paper
aims
to
evaluate
national
cities.
It
established
a
set
29
specific
evaluation
indicators
from
five
dimensions:
basic
indicators,
infrastructure,
traffic
environmental
protection,
travel,
safety.
constructed
index
transportation.
The
entropy
weight
TOPSIS
method
was
utilized
levels
nine
2020
2022.
An
obstacle
degree
model
identify
key
factors
at
both
criterion
indicator
layers
Suggestions
were
proposed
aspects:
establishing
comprehensive
policy
framework,
promoting
regional
collaborative
development,
accelerating
infrastructure
construction,
improving
service
quality,
fostering
upgrading
industries.
results
showed
that
ranking
among
high
low
years
2020–2022
as
follows:
Shanghai,
Chongqing,
Chengdu,
Beijing,
Guangzhou,
Tianjin,
Wuhan,
Xi’an,
Zhengzhou.
In
terms
spatial
layout,
generally
exhibited
“high
on
periphery,
center”
distribution
characteristic.
layer
After
screening
criteria
where
calculation
are
above
15%,
safety
eliminated.
cities,
which
located
different
regions,
maintained
consistent
internal
their
order.
top
with
frequency
degrees
total
passenger
transport
volume,
number
taxis,
new
energy
vehicle
production,
expenditure
freight
volume.
Processes,
Год журнала:
2024,
Номер
12(10), С. 2079 - 2079
Опубликована: Сен. 25, 2024
As
the
proportion
of
renewable
energy
in
power
system
continues
to
increase,
that
will
face
risk
a
multi-time-scale
supply
and
demand
imbalance.
The
rational
planning
storage
facilities
can
achieve
dynamic
time–delay
balance
between
demand.
Based
on
this,
order
realize
location
capacity
optimization
determination
multiple
types
system,
this
paper
proposes
collaborative
framework
for
storage.
proposed
is
modelled
as
two-stage
MILP
model
based
scenarios
via
stochastic
method.
In
first
stage,
investment
decisions
are
made
two
storage:
battery
(short
term)
hydrogen
(long
term).
second
operation
simulation
conducted
typical
scenarios.
Finally,
progressive
hedging
(PH)
algorithm
applied
efficient
solving
model.
A
modified
IEEE
39-bus
test
used
verify
validity
PH
algorithm.
