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

Green Car Congress

liter Volkswagen light-duty diesel engine and Klam dynamometer running at various throttle and brake settings over a 9-mode steady-state cycle to enable triplicate time-resolved measurement of particle number distributions with a scanning mobility particle sizer. 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

Green Car Congress

However, the relative toxicity of biodiesel emissions compared to petroleum diesel remains unclear. nmol/min/mg PM for B0 and B100, respectively, and from 22.6 ± 4.5 There is growing consensus that PM toxicity is linked to the formation of reactive oxygen species (ROS) on PM and the subsequent oxidative stress induced in cells.

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