A review on green liquid fuels for the transportation sector: a prospect of microbial solutions to climate change

Hamed Kazemi Shariat Panahi, Mona Dehhaghi, James E. Kinder, Thaddeus Chukwuemeka Ezeji*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

20 Citations (Scopus)

Abstract

Environmental deterioration, global climate change, and consequent increases in pollution-related health problems among populations have been attributed to growing consumption of fossil fuels in particular by the transportation sector. Hence, replacing these energy carriers, also known as major contributors of greenhouse gas emissions, with biofuels have been regarded as a solution to mitigate the above-mentioned challenges. On the other hand, efforts have been put into limiting the utilization of edible feedstocks for biofuels production, i.e., first generation biofuels, by promoting higher generations of these eco-friendly alternatives. In light of that, the present review is aimed at comprehensively assessing the role and importance of microorganisms such as bacteria and yeasts as catalysts for sustainable production of liquid biofuels including bioethanol, biomethanol, biobutanol, bio-ammonia, biokerosene, and bioglycerol. Various aspects of these biofuels, i.e., background, chemical synthesis, microbial production (including exploitation of wild and metabolically-engineered species), and product recovery as well as the derivatives produced from these biofuels which are used as fuel additives are thoroughly covered and critically discussed. Furthermore, the industrial features of these green liquid fuels including the industrial practices reported in the literature and the challenges faced as well as possible approaches to enhance these practices are presented.

Original languageEnglish
Pages (from-to)995-1024
Number of pages30
JournalBiofuel Research Journal
Volume6
Issue number3
DOIs
Publication statusPublished - 1 Jan 2019

Keywords

  • Bio-jet fuel
  • Biobutanol
  • Bioethanol
  • Biofuel
  • Fuel additive
  • Microbial metabolite
  • Sustainable energy
  • Fermentation
  • Greenhouse gas (GHG) emissions
  • Environmental management
  • Transportation fuel
  • Renewable energy
  • Microorganisms
  • Natural product

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