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epa biodiesel study


New biodiesel study shows no increase in NOx emissions using B20

Contrary to a 2002 EPA study that showed a two percent increase in nitrogen oxide emissions when using B20, a new study by the US Department of Energy's National Renewable Energy Laboratory showed no such increase. The lab tested three transit buses, two school buses, two Class 8 trucks, and one motor coach on a heavy duty chassis dynamometer for the study. They simulated both urban and highway driving on the dyno and measured the emissions. The study found small increases on some vehicles while others had decreases depending on the engine ... Read more →

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