Analysis of the world scientific production on fuels, combustion and exhaust ‎emissions

Kiriaki Kelektsoglou, Stavros Poulopoulos, Efthimios Zervas


This paper investigates and analyzes the world scientific production on fuels, combustion and exhaust emissions by employing bibliometric techniques based on the Scopus database. The bibliometric analysis was performed for Year, Subject Area, Document Type, Source Title, Affiliation, Country/Territory, Source Type, and keywords. The investigation was focused on five keywords: “fuel”, “combustion”, “diesel”, “gasoline” and (“exhaust gas” OR “exhaust emission”).

In all five keywords, a significant increase in scientific production occurs with time. Engineering is the most productive subject area in all five cases followed by Energy in “fuel”, “combustion” and “gasoline” and by Environmental Science in “diesel” and (“exhaust gas” OR “exhaust emission”). Moreover, during the last years, Energy and Environmental Science show an increasing trend.

SAE Technical Papers has the highest number of works in all keywords followed by International Journal Of Hydrogen Energy, Combustion And Flame, Fuel, Oil and Gas Journal and Atmospheric Environment in “fuel”, “combustion”, “diesel”, “gasoline” and (“exhaust gas” OR “exhaust emission”), respectively. USA has a leading position, followed by China and Japan in all five cases, except for “diesel” where India instead of Japan possesses the third position. The most productive institution is Chinese Academy of Sciences for “fuel” and “combustion”, Tianjin University for “diesel” and “gasoline” and United States Environmental Protection Agency for “exhaust gas” OR “exhaust emission”. The keywords of the categories associated with “Air pollution”, “Air pollution control”, “Engine”, “Vehicles” and “Fuels” are the most commonly used in all five cases. The results of this study shows the trends in scientific issues are related to environmental issues “Air pollution” and “Air pollution control” and can help scientists and policymakers to establish future research priorities.

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