Research Topic

Use of Biofuels in Engines

About this Research Topic

During the last decades, a substantial effort to develop alternative fuel sources, most notably biofuels, has been in progress worldwide, sparked by both economic and environmental causes. Among the latter, diminishing petroleum reserves and increasing prices, as well as the continuously rising concern over energy security and environmental degradation, have been identified as the most influential ones.

Τhe extensive use of fossil fuels is also responsible for a long-term, environmental threat in the form of climatic changes and a slow but constant increase in the average global temperature. The main contributor to the warming of the climate system is the carbon dioxide (CO2) emitted from various combustion sources. It appears then that biofuels, possessing the critical merit of being renewable, seem particularly suitable as a viable alternative to the current situation of almost exclusive fossil fuels utilization in the transportation sector.

At the moment, biodiesel is considered the primary alternative fuel for compression ignition engines. Nonetheless, bio-alcohols have been considered very promising too (although initially intended for gasoline engines) since they demonstrate a considerable potential for greenhouse gas emission reduction.

It is also well recognized today that another one of the significant benefits of adding biofuels in the fuel blend is the reduction in the amount of the emitted carbonaceous pollutants, primarily particulate matter (PM), from diesel engines. This is a very promising fact in view of the continuously increasing stringency in the emission regulations for diesel engines used in passenger cars and heavy-duty vehicles worldwide.

The present Research Topic aims to gather innovative research and recent advances regarding the use of various types of biofuels in internal combustion engines, such as various-origin biodiesels or vegetable oils, alcohols (methanol, ethanol, n-butanol), ethers, biomass to liquid fuels, next generation pure hydrocarbon biofuels, etc. Among the submissions welcomed are:
• those focusing on fundamentals of biofuels combustion and emissions formation in compression-ignition (CI) and spark-ignition (SI) engines;
• effects of the use of biofuels on engine emissions and performance;
• effects of biofuels on exhaust after-treatment systems;
• advanced diesel engine combustion concepts with biofuels;
• effects of biofuels on critical engine operation phases such as (cold) starting and acceleration or overall during a driving cycle.


Keywords: Biofuels, Biodiesel, Alcohols, Biomass to liquid (BTL), Internal combustion Engines


Important Note: All contributions to this Research Topic must be within the scope of the section and journal to which they are submitted, as defined in their mission statements. Frontiers reserves the right to guide an out-of-scope manuscript to a more suitable section or journal at any stage of peer review.

During the last decades, a substantial effort to develop alternative fuel sources, most notably biofuels, has been in progress worldwide, sparked by both economic and environmental causes. Among the latter, diminishing petroleum reserves and increasing prices, as well as the continuously rising concern over energy security and environmental degradation, have been identified as the most influential ones.

Τhe extensive use of fossil fuels is also responsible for a long-term, environmental threat in the form of climatic changes and a slow but constant increase in the average global temperature. The main contributor to the warming of the climate system is the carbon dioxide (CO2) emitted from various combustion sources. It appears then that biofuels, possessing the critical merit of being renewable, seem particularly suitable as a viable alternative to the current situation of almost exclusive fossil fuels utilization in the transportation sector.

At the moment, biodiesel is considered the primary alternative fuel for compression ignition engines. Nonetheless, bio-alcohols have been considered very promising too (although initially intended for gasoline engines) since they demonstrate a considerable potential for greenhouse gas emission reduction.

It is also well recognized today that another one of the significant benefits of adding biofuels in the fuel blend is the reduction in the amount of the emitted carbonaceous pollutants, primarily particulate matter (PM), from diesel engines. This is a very promising fact in view of the continuously increasing stringency in the emission regulations for diesel engines used in passenger cars and heavy-duty vehicles worldwide.

The present Research Topic aims to gather innovative research and recent advances regarding the use of various types of biofuels in internal combustion engines, such as various-origin biodiesels or vegetable oils, alcohols (methanol, ethanol, n-butanol), ethers, biomass to liquid fuels, next generation pure hydrocarbon biofuels, etc. Among the submissions welcomed are:
• those focusing on fundamentals of biofuels combustion and emissions formation in compression-ignition (CI) and spark-ignition (SI) engines;
• effects of the use of biofuels on engine emissions and performance;
• effects of biofuels on exhaust after-treatment systems;
• advanced diesel engine combustion concepts with biofuels;
• effects of biofuels on critical engine operation phases such as (cold) starting and acceleration or overall during a driving cycle.


Keywords: Biofuels, Biodiesel, Alcohols, Biomass to liquid (BTL), Internal combustion Engines


Important Note: All contributions to this Research Topic must be within the scope of the section and journal to which they are submitted, as defined in their mission statements. Frontiers reserves the right to guide an out-of-scope manuscript to a more suitable section or journal at any stage of peer review.

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Submission Deadlines

28 February 2018 Manuscript

Participating Journals

Manuscripts can be submitted to this Research Topic via the following journals:

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Topic Editors

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Submission Deadlines

28 February 2018 Manuscript

Participating Journals

Manuscripts can be submitted to this Research Topic via the following journals:

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