Corn+Soybean Digest

EPA Confirms Biodiesel's Low Emissions

The Environmental Protection Agency (EPA) has released a report that says biodiesel use can reduce emissions of particulate matter by 47% compared to petroleum diesel in unmodified diesel engines. The report also verified a 67% reduction in unburned hydrocarbons and a 48% reduction in carbon monoxide with B100.

“This EPA evaluation provides independent confirmation of the emissions benefits of biodiesel,” says Joe Jobe, executive director of the National Biodiesel Board. “We are pleased that the EPA numbers are actually higher than our own analysis.”

A chart of the new emissions numbers for both B100 and B20 can be viewed at The EPA study can be viewed at

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