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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. OP in oxidized aerosols, including engine exhaust, is commonly quantified using the DTT (dithiothreitol) assay. OP in oxidized aerosols, including engine exhaust, is commonly quantified using the DTT (dithiothreitol) assay.

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