Study finds biodiesel blend reduces total particle mass in emissions but may have greater adverse health effect per mass than diesel

Green Car Congress

Findings from a study by researchers from the Department of Medicine and the School of Engineering at the University of Vermont suggest that the addition of biodiesel to diesel fuels will reduce the total particle mass of PM emissions—but that the biodiesel blend particles may contribute to greater biological effects per mass than B0, leading to potentially greater health risks. nm and a shoulder that corresponded to the B0 peak at ?51

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Study finds PM from biodiesel blends may be 50-80% less toxic per unit PM mass than from petroleum diesel

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Error bars are one standard deviation from the mean, letters indicate statistical similarity. nmol/min/mg PM for B0 and B100, respectively, and from 22.6 ± 4.5

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Birmingham study finds butanol-gasoline blend reduces GDI engine-out carbonaceous emissions; similar NOx

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For this reason, emission standards such as Euro 6c, which includes a strict limit of 6 x 10 11 particles per kilometer and comes into force in September 2017, are boosting the development of new technologies to reduce emissions in GDI.

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