In accordance with an EU directive, conventional automotive diesel is supplemented with seven percent biodiesel. This proportion is set to rise to ten percent by 2020. However, this presents a significant technical challenge: biodiesel vaporises at higher temperatures, which can lead to problems with electronic fuel injection systems and particulate filters. Researchers from Kaiserslautern, Bochum, and Rostock have developed a method for producing a petroleum diesel-like fuel from conventional biodiesel at low temperatures. The new biofuel fulfils the current EU and US requirements. It can be used undiluted in modern diesel engines or mixed in any ratio with petroleum diesel. The researchers present their work in the prestigious journal Science Advances.
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