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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

The most significant compositional difference between the exhaust PM from combustion of the 2 fuels was the ratio of polar to non-polar species: 46% assigned polar for B0 vs 68% polar compounds for the B20 fuel. We are unaware of previous studies reporting this type of comparison of the exhaust PM.

B0 210
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Toyota introduces 2012 Prius Plug-in Hybrid

Green Car Congress

With lower exhaust heat, heat efficiency was enhanced, and consequently, fuel efficiency was enhanced as well. With lower exhaust heat, heat efficiency was enhanced, and consequently, fuel efficiency was enhanced as well. The engine also uses an electrically driven air conditioning compressor and water pump to reduce mechanical losses.

Prius 244