Journal of Physics Conference Series,
Journal Year:
2024,
Volume and Issue:
2893(1), P. 012092 - 012092
Published: Nov. 1, 2024
Abstract
The
transport
sector
remains
heavily
reliant
on
oil
products,
and
it
is
among
those
that
are
considered
harder
to
decarbonize,
especially
in
some
specific
segments.
Considering
public
transport,
there
currently
a
significant
interest
electrifying
urban
buses,
for
routes
well
suited
the
current
characteristics
of
battery
electric
buses.
However,
applications,
including
long-distance
biomethane
could
play
an
important
role
contributing
decarbonisation
sector,
considering
part
fleet
Italy
already
operating
fossil
natural
gas.
This
analysis
presents
comparison
potential
support
decarbonization
Italy,
by
estimating
CO
2
equivalent
emissions
savings
biogas
plants
gas
buses
Italian
cities.
An
additional
evaluation
performed
future
expected
evolution
production
line
with
new
Piano
Nazionale
Integrato
per
l’Energia
e
il
Clima,
aims
total
5.7
bcm
2030,
as
1.5
allocated
sector.
Within
these
maximum
levels,
results
demonstrate
can
be
achieved
biomethane,
when
exploiting
feedstocks
have
very
low
impact
terms
well-to-wheels
emissions.
Biomethane
represent
interesting
complement
exploit
existing
based
gas,
also
shows
number
advantages
not
suitable
Process Safety and Environmental Protection,
Journal Year:
2024,
Volume and Issue:
188, P. 834 - 859
Published: June 2, 2024
Biogas
is
a
resource
of
renewable
energy
with
the
highest
significance
to
development
in
many
countries
due
great
accessibility
biomass.
It
mostly
produced
by
anaerobic
digestion
various
feedstocks,
but
technologies
such
as
landfilling,
aerobic
composting
and
incineration
are
also
being
used.
The
current
novel
review
aimed
present
emerging
for
biogas
pretreatment,
production
upgrading
process.
Furthermore,
applications
future
perspectives
have
been
covered.
was
found
that
pretreatment
chemical,
physical,
thermochemical
oxidative
increasing
biomethane
yield.
Hence,
extrusion
has
increased
190%.
upgrading,
photosynthetic
biofixation
CO2
microalgae
shown
upgraded
CH4
maximum
content
ranging
from
2
6%.
Microbial
electrolysis
cell
technology
sustainable
effective
low
requirement
energy.
Thus,
it
bioelectromethanogenesis
leads
uptake
13.2
gCO2/d.
In
addition,
nanobubble
recent
studies
extensively
investigated
improvement
methane
Europe
around
70%
plants
utilising
feedstocks
agriculture
sectors.
2022
global
combined
reached
more
than
1.6
EJ
which
an
increase
17%
last
five
years.
Fossil
fuels
primary
source
85%
world's
supply.
wider
use
could
ensure
goals
implementation
Renewable and Sustainable Energy Reviews,
Journal Year:
2024,
Volume and Issue:
202, P. 114710 - 114710
Published: July 2, 2024
The
transportation
sector
is
marked
by
high
emissions,
and
new
sustainable
solutions
are
required
to
solve
this
problem.
Biomethane,
also
known
as
green
gas,
has
the
potential
regenerate
certain
wastes,
promoting
resource
circularity.
This
study
aimed
at
evaluating
profitability
of
small-
medium-sized
plants
using
organic
fraction
municipal
solid
waste
(OFMSW)
by-products,
considering
a
incentive
decree
within
mature
biogas-biomethane
market
Italy.
Net
present
value
(NPV)
was
used
key
indicator,
sensitivity,
scenario,
risk
analyses
were
proposed.
results
showed
that
subsidy
for
by-products
contributed
across
multiple
contexts.
Conversely,
stringent
values
OFMSW
led
diminished
treating
substrate.
Consequently,
verified
100
m3/h
with
300
OFMSW.
break-even
point
analysis
tariff
determining
project
profitability,
contingent
on
size
substrate,
ranged
from
0.61
0.95
€/m3
0.76–1.01
by-products.
provide
valuable
policy
managerial
insights,
emphasizing
support
needed
biomethane
–
renewable
circular
achieve
twin
goals
energy
independence
low-carbon
economy.
contribute
achievement
Sustainable
Development
Goals
7
12.
Energy Conversion and Management,
Journal Year:
2024,
Volume and Issue:
307, P. 118339 - 118339
Published: March 27, 2024
The
REPowerEU
plan
establishes
the
production
objective
of
35
billion
m3
biomethane
in
European
Union
(EU)
by
2030.
Biomethane
is
an
excellent
energy
vector
to
promote
defossilization
different
sectors
within
a
Power-to-Gas
approach.
present
study
evaluates
economic
and
environmental
implications
producing
from
biogas
generated
municipal
wastewater
treatment
plant
(WWTP)
with
capacity
100,000
m3/d
500,000
population
equivalents.
techno-economic
analysis
(TEA)
life
cycle
assessment
(LCA)
were
conducted
for
based
on
biological
methanation
process
using
hydrogen
produced
water
electrolyser.
TEA
illustrated
that
electricity
price
(0–0.20
€/kWh)
features
important
impact
cost
(0.05–0.23
€/kWhHHV)
due
high
electrolyser
consumption.
Flexible
operation
economically
feasible
at
load
factors
above
%,
which
can
be
attributed
lower
capital
as
factor
increases.
LCA
has
global
warming
(<0.28
kg
CO2-eq/kWhHHV)
than
fossil
natural
gas
when
renewable
mix
62
%.
results
highlighted
carbon
prices
under
EU
Emission
Trading
System
driver
countries
since
could
exempted
acquire
emission
allowances.
This
would
provide
competitive
advantage
over
considering
whole
supply
chain
carrier.
Overall,
this
demonstrates
potential
become
technology
future
scenarios.
Energies,
Journal Year:
2024,
Volume and Issue:
17(6), P. 1404 - 1404
Published: March 14, 2024
The
biogas
sector
in
Europe
and
Italy
is
attracting
growing
investment,
combining
agricultural
activity,
the
circular
economy,
renewable
energy
production.
Firms
widely
use
debt
capital
and,
for
this
reason,
there
a
need
to
evaluate
structure
of
investments,
financing,
service
capacity
calculated
by
applying
interest
coverage
ratios
(ICRs).
ICRs
are
used
banks
granting
loans,
calculation
allows
managers
policy
makers
correctly
firms’
performance
sector.
In
research,
based
on
sample
160
observations,
investments
sources
financing
firms
sector,
operating
northern
Italy,
analyzed.
with
different
approaches
establish
which
provide
most
reliable
results
application.
research
analyzes
correlations
highlights
significant
differences
between
ICRs.
some
important
findings:
(a)
NWC
negative
109
out
observations
therefore,
constitutes
source
majority
observations;
(b)
EBITDA
CF
above
threshold
value
“1”
143
145
respectively,
while
EBIT,
OCF,
UFCF
132,
133,
122
respectively.
conclusion
that
tend
overestimate
results;
OCF
preferable,
can
therefore
be
applied
managers,
banks,
as
covenants.
For
repayment
NFP,
has
highlighted
cost
deducted
from
numerator
preferable.
thus
usefully
expanded
other
territories,
or
considering
larger
aim
inferring
conclusions
general
validity.
Energies,
Journal Year:
2025,
Volume and Issue:
18(5), P. 1031 - 1031
Published: Feb. 20, 2025
The
development
of
renewable
energy
is
increasingly
blurring
the
line
between
and
agricultural
sectors.
Decarbonizing
agriculture
essential
for
sustainable
principles.
This
can
be
achieved
in
essentially
two
following
ways:
by
reducing
fuel
consumption
making
livestock
sector
more
efficient.
review
sets
out
options
contributing
to
these
elements.
stage
a
smoother
synergy
process,
whereby
waste
generated
fully
utilized
strengthen
farms.
In
conducting
review,
methods
scientific
induction
deduction
were
used.
One
key
elements
recycling
into
biomethane.
biomethane
turn
used
as
tractors
means
providing
production
or
biogas
lead
decentralization
system,
with
farms
becoming
less
completely
independent
from
external
supplies.
At
same
time,
synergies
other
forms
are
being
created.
These
make
it
possible
increase
income
adding
new
activity
supplying
consumers.
