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Jerusalem artichoke is expected to become a biofuel
Jerusalem artichoke is set to become a key player in the future of second-generation liquid biofuels! At the recent Hubei Automotive Industry Development Forum, Professor Hu Yong from Wuhan University of Technology's School of Automotive Technology shared this exciting development with attendees. This unique plant, known scientifically as *Helianthus tuberosus*, is not only a tasty ingredient when pickled but also holds great potential in renewable energy.
The plant is rich in fructose, which can be processed to extract a compound called 2,5-dimethylfuran (DMF), a promising second-generation biofuel. Professor Hu and his team have developed an industrial production method that could bring this technology to scale. DMF has several advantages over traditional fuels—burning 40% more efficiently than ethanol and performing similarly to gasoline. Unlike ethanol, it’s not water-soluble, so it doesn’t absorb moisture, making it easier to store and transport.
In the 1980s, U.S. research institutions already recognized DMF as a high-performance liquid fuel. With its stability and energy density, it offers a cleaner and more efficient alternative to fossil fuels. Economically, producing one ton of DMF requires about 10 to 14 tons of Jerusalem artichoke. The raw material cost is estimated at under 3,000 yuan, and when factoring in transportation, labor, and energy, the total production cost comes to around 4,600 yuan—about 1,000 yuan less than petroleum-based fuels.
What makes this even more promising is that Jerusalem artichoke thrives in non-arable lands such as deserts, mudflats, and saline-alkali areas, making it ideal for sustainable cultivation without competing with food crops. With growing global demand for clean energy, this versatile plant may soon play a vital role in the transition to a greener future.