ELEKTRoMo S JÁRMúvEK ALKALMazÁsat
OPPORTUNITIE S OF ELECTRIC VEHICLES
Dr. péter Bencs\, Dr. Katalin Voith2, associate professor| , senior researchfellot"l
','D"port*"nt of Fluid and Heat Engineering, t}niversity of Miskolc, HU-3515, Misknlc, Miskolc-
Eg,letemváros
ABSTRACT:
Nowadays, the number of vehi-cles with minimum emissions that meet envi-
ronmental requiremerrts
is
increasing.In
thispaper, we present a comprehensive technological
study and comparison of clean electric vehicles,
This paper addresses this issue and summarizes
current
and future
strategies. Environmentalguidelines and policy incentives are constantly
increasing the number
of
electric vehicles andthe rapid development of technology.
1.INTRODUCTION
The literature review clearly shows that the con-
ditions for the introduction
of
electric vehicles(EV) need to be examined on a country-specific
basis.
A
good exampleis
European countriesthat are heavily relying on renewable energies,
such as France or Norway. Countries like Ger-
fiulny, the United Kingdom, and the
US
shouldfocus on significantly reducing greenhouse gas
emissions from electricity generation [1]. The
tendency to purchase electric vehicles
is
influ-errced by several factors, such as price, driving
experience
and
availabilityof the
necessaryinfrastructure. During the investigation, special
attention
is paid to
environmental awarenessamong the customers of electric vehicles. These
analyze aid policy makers and researchers to
introduce and encourage the utilization of new
technologies.
2.
ENVIRONMENTAL EFFECTS
vehicle manufacturers need electric vehicles at
fleet level to comply with ever-changing regula-
tions. At EU level, Regulation 2019163I sets the
new directions and expected emission standards
that vehicle manufacturers must follow [2]. Cur-
rently reducing emissions of internal combustion
engines
is
stressed, however, thisis
no longeradequate. It is important to emphasize that each
vehicle manufacturer should examine the emis-
sion limit value for its entire vehicle fleet. Now-
adays, this has brought about changes that seem
to be narrowrng the category of mini-cars in the
manufacturers' fleet. The reason for this change
is
multi-directional compliancewith
environ-mental noríns and commercial demands.
Table 1.
summarizesliterature
data,which reflect the targets set by different manu-
facturers
(in
térmsof
adverse environmentalemissions)
well L2].
Compliancewith
the95 gCOz
/ km
benchmarkwill be
introducedinternationally
by
vehicle manufacturers (fleetlevel) in 2021.
Table ]. CO2 emission / l"m
The conclusion can be drawn from the ta-
ble data that
it
is essential to increase the fleetlevel of electric vehicles in the future in order to
-X
'n" expected targets at fleet level. Electricvehic\es
in
the fleet produce 0 gCO2 / km andthus Üave a positive impact on the fleet average.
/ m"primary
limiting adverse emission pa-rímercr of car manufacturers is compliance with
the COz standard. Examining several air quality
parameters from
a
health perspective may beimportant
for
further investigations.With
thecontinuous reduction
of
emissions,NO"
andPM19 particulates remain a problem in the auto-
motive industry [3]. Today, air particle filters
are the solution for PMlg emissions of vehicles.
Auto-ignition
diesel
vehicles produce muchhigher levels of
NO.
than petrol vehicles. Sincethe introduction of the Euro 6 directive series in
2014, on7y new diesel vehicles equipped with a
2020 2030 Manufacturer
102 64
BMW
(incl.Mini)
I02 64 Daimler
92 58 Fiat
95 60
Ford
95 59
Hyundai
Kia
90 56
PSA
9I 51 Renault-
Nissan
92 58
Tovota
95 60
Volkswagen Group
l07 67 Volvo
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model. During the discrete investigation, vehicle
profiles that are crrrrently available in the mar-
ket, and profiles that
will
be availablein
thefuture may be taken into account.
A
detailedevaluation procedure
is
described below [5].During the evaluation, the following three op-
tions were developed:
o
ICE-
internal combustion engine.o HEV -
hybrid system (consisting of internalcornbustion engine and electric battery). The
battery is charged while driving.
o BEV -
fully electric vehicle with rechargea-ble
battery. Charging canbe
done whiledriving (recharging) and from an external
charging source.
Table 2. Attributes and attribute levels em-
in the
Parameter tests
in
Table2.
must alsocomply with applicable"laws and regulations in
the particular country. Car pricing does not take
the country's tax policy (incentives for electric
vehicles) into account. Based on the primary
results, it can be concluded that hybrid and elec-
tric vehicles will be competitors in the future. In
the case of electric vehicles, it must be kept in
mind that consumers are
also
changing theirbasic r ehicle r-rsage patterns.
As
a result of thenrode1 tests. the use of fully electric vehicles is
not e\pected
in
the near future. Hybrid driveS},Sten]5
are a
compromisefor
consumersslr itchirrg from internal cornbustion engines,
4.
ELECTRIC VEHICLES
It is important to mention the
LCA
(Life CycleAssessment) when inspecting electric vehicles, It
is a widely used method in the automotive indus-
try, which, with the right basic knowledge, can
bring significant decision benefits to both manu-
facturers and society.
Fig. 5 shows the energy mix expected in
the EU between 2015 and2050 [6].
x
§
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3*
§,,
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Fig. 5.
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2015-2050 energl mix [6JThe figure shows that renewable energy
will play a greater role in energy production over
the projected period.
At EU
level, the contribu-tion of solid fuels and rrrrclear eneígy to energy
production
is
plarrrredto
decline.The
futuregrowth tendency of electric vehicles is analyzed
in the light of this basic information and current
legal principles.
There are several studies in the literature
examining where electric vehicles stand based on
their COz emissions
in
a life-cycle [7, 8]. Theaim is to identify large differences between die-
sel and electric vehicles. It
is
only possible todetermine exact results when analyzing the pa-
rameters presented in the previous chapters to-
gether. When testing diesel vehicles, the primary
consideration
is the
applicationof
emissionstandards and test methods
in
accordance withthese laws. In the case of electric vehicles, the
main considerations are the battery capacity and
the ratio of renewable energies in the production
of electricity in connection with
LCA
[7, 8].ü x
x] n ,JrU
Attribute ICE
HEV BEV
Price (in thou-
sand €)
2 levels:
36.5, 40.5
3 levels:
36.5, 44.5,54 Accessories
standard
3 levels:
standard, upgraded
luxury
3 levels:
standard, upgraded luxury
3 levels:
standard, upgraded
luxury Maximum
speed (krr/h)
2 levels 180,
210
2 levels:
180,
2t0
3 levels 135,
17 5,
210
Driúng range
inkm
660 9903 levels
1 50,
I75, 200 Charging/ fuel-
ing time 5 min 3 min
Nurnber
of
people you
know who
drive that car
Many
3 levels:
no one,
few, more
than 10
3 levels:
no one,
few, more
than 10
§, 3-.{. SZ
\}t CPB
t XXr. évfolyam,2020.2 levels:
33.5,40
3 levels:
4h,6h, 8h
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Table 3. shows four energy storage methods and
their unit costs |12]. It
is
clear from the tablethat the unit cost ofenergy storage is the highest
when using electric vehicles, Evidence shows
that reservoirs are
still
the most efficient sys-tems, but have the highest investment costs [13].
5.
SUMMARY
In this study, we have summarized the factors
influencing the future growth tendency of elec-
tric vehicles. The effect of standards that limit
toxic emissions has a positive effect on the pro-
duction of electric vehicles. It is clear that manu-
facturers
will
increase the proportion of electricvehicles
in
their fleet dueto
lower emissionstandards.
In
adűtionto
the much-used COzlimits, other pollutants need
to
be taken intoaccount as well. Other pollutants include, for
example, NO*, which is primarily related to road
transport and transportation, shipping. The re-
search methods required
for the social
ac-ceptance of electric vehicles were also presented
in
this study. The inspection methodwill
helpdecision makers and electric vehicle manufactur-
ers alike. Today, hybrid vehicles are the primary
competitor
for
electric vehicles.We
also dis-cussed the challenges and issues encountered in
the prodúction of electric vehicles in detail.
LCA
research shows that electric vehicles are con-
stantly improving their image (they produce less
adverse environmental emissions than internal
combustion engine vehicles), Further develop-
ment
of
energy storageis
essential for furtherdevelopment and increasing production.
6.
ACKNOWLEDGMENTS
The research was supported by the EFOP-3.6.1-
16-00011 "Younger and Renewing University
-
Innovative Knowledge City
-
institutional devel-opment of the University of Miskolc aiming at
intelligent specialization" project implemented in
the framework of the Széchenyi 2020 program,
The realization of these two projects is support-
ed by the European Union, co-financed by the
European Social Fund.
7.
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