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The misleading total replacement of internal combustion engines by electric motors and a study of the Brazilian ethanol importance for the sustainable future of mobility: a review

  • Augusto César Teixeira MalaquiasEmail author
  • Nilton Antonio Diniz Netto
  • Fernando Antonio Rodrigues Filho
  • Roberto Berlini Rodrigues da Costa
  • Marcos Langeani
  • José Guilherme Coelho Baêta
Review
  • 87 Downloads

Abstract

The sustainable future of mobility should not be viewed as the burial of the internal combustion engine (ICE), nowadays the main source of vehicular propulsion. Even with the increasing electrification of the transport means, the low global percentage of the electric fleet, around 0.2% of the total road vehicles, associated with an annual growth rate of less than 60%, indicates that they will not significantly change the market share in the short- and medium-term periods. This means that fuel demanded by ICEs and pollutant emissions generated by them will be very relevant in the years to come. Thus, the search for significant advances in technology associated with the use of renewable fuels is very important for environmental and economic sustainability. In this regard, the present work intends to demonstrate that the association between Brazilian ethanol and advanced technology in ICEs is a promising alternative for a more sustainable global mobility in the future. For this purpose, some ethanol properties are presented to justify its relevance as an ideal biofuel for highly boosted and efficient engines. Then, environmental, social, ethical and economic impacts arising from electric vehicles are investigated, demystifying the zero-emission vehicle terminology attributed to them and, finally, new technologies for ICEs are presented, proving that they are constantly evolving and improving, which is fundamental to the future of the world automotive fleet.

Keywords

Brazilian ethanol Internal combustion engines Future of mobility Zero-emission vehicles Renewable energy sources 

Abbreviations

ANFAVEA

Associação Nacional dos Fabricantes de Veículos Automotores

ANEEL

Agência Nacional de Energia Elétrica

ANP

Agência Nacional do Petróleo

CO

Monoxide carbon

CO2

Carbon dioxide

CoV

Coefficient of variation

CR

Compression ratio

DI

Direct injection

E100

Ethanol

ECU

Engine control unit

EGR

Exhaust gas recirculation

EV

Electric vehicle

FCE

Fuel conversion efficiency

GHG

Greenhouse gases

HC

Hydro carbon component

HCCI

Homogeneous charge compression ignition

HV

Hybrid vehicle

ICE

Internal combustion engine

INMETRO

Instituto Nacional de Metrologia

MBT

Maximum brake torque

NOX

Nitrous oxide

PFI

Port fuel injection

PPC

Partially premixed combustion

RCCI

Reactivity-controlled compression ignition

R&D

Research and development

RON

Research octane number

SI

Spark ignition

VVT

Variable valve timing

WI

Water injection

ZEV

Zero-emission vehicle

Notes

Acknowledgements

The authors acknowledge the Mobility Technology Center (CTM-UFMG) for investing in R&D of internal combustion engines fueled with ethanol, a renewable Brazilian energy matrix. Also, they give an eternal and special acknowledgment to Dr. Michael Pontoppidan, who largely contributed to this and other works and, unfortunately, passed away at the end of 2018.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

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Copyright information

© The Brazilian Society of Mechanical Sciences and Engineering 2019

Authors and Affiliations

  • Augusto César Teixeira Malaquias
    • 1
    Email author
  • Nilton Antonio Diniz Netto
    • 1
  • Fernando Antonio Rodrigues Filho
    • 2
  • Roberto Berlini Rodrigues da Costa
    • 3
  • Marcos Langeani
    • 4
  • José Guilherme Coelho Baêta
    • 1
  1. 1.Department of Mechanical EngineeringMobility Technology Center, Federal University of Minas Gerais (CTM-UFMG)Belo HorizonteBrazil
  2. 2.Federal Center for Technological Education of Minas Gerais (CEFET-MG)Belo HorizonteBrazil
  3. 3.Federal University of Itajubá (UNIFEI)ItajubáBrazil
  4. 4.Next - Engine TechnologiesSão José dos CamposBrazil

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