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Port Injection of Secondary Fuel Can Simultaneously Lower NOx and PM in a Direct Injection Biodiesel Engine

Posted on October 08, 2008

Effect of premixed fuels on the engine emissions at different equivalency ratios. Click to enlarge. Credit: ACSResearchers at Shanghai Jiao Tong University found that port fuel injection of a secondary fuel with a lower boiling point in a biodiesel-fueled, direct injection engine can simultaneously reduce both NOx and PM emissions. A paper on their work appeared online 4 October in the journal Energy & Fuels.A number of studies have shown that the use of biodiesel in light- and heavy-duty diesel engines can lower PM, CO, SOx, and HC emissions compared to standard diesel fuel combustion with co...

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biofuel , ethanol , renewable