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As one of the alternative fuels for petroleum, biofuels are an important part of biomass and play an important role in ensuring energy security, coping with climate change and building ecological civilization. This paper selects the Web of Science Core Collection database as the data source, uses the scientometric analysis method, and CitaSpace measurement tool to analyze the number of countries, institutions, subject, key papers and research hotspots from 1990 to 2017. The research findings are as follows:(1) The biofuels papers are generally on an upward trend;(2) USA, China, India, Brazil, Germany are the five biggest contributing countries on biofuels;(3) The main subject of biofuels are Energy Fuels, Biotechnology Applied Microbiology, Engineering Chemical, Environmental Sciences, Agricultural Engineering; (4) The research on biofuels has been well diffused globally with many research centers and institutions of university; (5) Research hotspots such as lignocellulosic biomass, biodiesel, fuel ethanol, and microalgae oil also gradually change with time. At present, bioethanol production and lignocellulosic biomass energy are important research directions. Keywords—biofuel; scientometric analysis; CiteSpace; biodiesel; bioethanol

The Scientometric Evaluation on the Research of Biofuels Based on CiteSpace