Study finds biodiesel blend reduces total particle mass in emissions but may have greater adverse health effect per mass than diesel
Green Car Congress
OCTOBER 10, 2013
They found that total particulate gravimetric mass collected over the engine test cycle was more than 2 times higher for B0 than for B20 fuel. Particle number distributions aggregated over one example drive cycle indicate a unimodal B0 distribution centered at 51 nm, but a B20 distribution with a smaller diameter mode at 32.2
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