Ethanol Reduces a Variety of Harmful Emissions, New Study Finds

Ethanol and other biofuels are often touted for their ability to reduce greenhouse gas emissions by replacing fossil fuels. Traditional biofuels like ethanol can reduce greenhouse gas emissions by 19-48 percent compared with gasoline, while advanced or cellulosic biofuels can reduce emissions by more than 100 percent. A less-recognized benefit of biofuels is their ability to reduce other harmful emissions that are found in gasoline exhaust.

A new study out of the Swiss Federal Laboratories quantifies the emissions reductions that ethanol blends like E10 (10 percent ethanol) and E85 (85 percent ethanol) achieve compared with traditional gasoline, or E0. The study analyzed and compared emissions of nanoparticles, polycyclic aromatic hydrocarbons (PAHs), and alkyl- and nitro- PAHs. The authors found that using ethanol blends significantly decreased these harmful emissions. A flex-fuel vehicle was used for the experiments.

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1. USDA Invests $1.7 Billion to Protect Sensitive Agricultural Lands through Conservation Reserve Program  

2. White House OMB Reviews 2017 RFS Rule 

3. EPA, NHTSA Set Schedule for Cutting Emissions From Heavy-Duty Vehicles 

4. Turning Biofuel Waste into Wealth in a Single Step  

5. Advanced Biofuels Costs to Drop to $0.60/L by 2045: New IRENA Report  


Upcoming Events: 

1. Biomass Research and Development Technical Advisory Committee

November 17, 2016—8:30 a.m.-5:30 p.m.; November 18, 2016—8:30 a.m.-3:00 p.m.

Hamilton Crowne Plaza, 1001 14th Street NW., Washington, DC 20005

Purpose of Meeting: To develop advice and guidance that promotes research and development leading to the production of biobased fuels and biobased products.

Tentative Agenda: Agenda will include the following:

  • Update on USDA Biomass R&D Activities
  • Update on DOE Biomass R&D Activities
  • Update the Biomass Research and Development Initiative
  • Annual Committee Recommendations

Members of the public are welcome to observe the business of the Biomass Research and Development Technical Advisory Committee. To attend the meeting and/or to make oral statements regarding any of the items on the agenda, you must contact Elliott Levine at; Email: and Roy Tiley at (410) 997-7778 ext. 220; Email: at least 5 business days prior to the meeting. 


2. Rachel Carson 75th Jubilee Colloquium, Co-Sponsored by EESI

November 30, All-Day Event on Capitol Hill

You are cordially invited to join with the Rachel Carson Council, EESI, and other environmental organizations to celebrate the 75th anniversary of Rachel Carson’s historic arrival on the American environmental and literary scene with her beloved first book, Under the Sea-Wind. Hear and meet leading authors, environmental leaders, and members of Congress at the Rachel Carson Council’s FREE all-day, one-of-a-kind event on Wednesday, November 30, on Capitol Hill. 




To Contact the Editor: Rebecca Chillrud at

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