15 Jul '17, 9am

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

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

Study finds PM from biodiesel blends may be 50-80% less toxic per unit PM mass than from petroleum diesel 15 July 2017 In a study published in the ACS journal Energy & Fuels , a team from the University of Vermont reports that particulate matter from the combustion of biodiesel blends may be 50–80% less toxic per unit PM mass emitted than PM from petroleum diesel, depending on feedstock. 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. However, the relative toxicity of biodiesel emissions compared to petroleum diesel remains unclear. In the study, the team examined the relationships between biodiesel fuel blend, exhaust particle oxidative potential (OP), and PM composition. OP in oxidized aerosols, including engine exhaust, is commonly quantified using the DTT...

Full article: http://www.greencarcongress.com/2017/07/20170715-holmen.html

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