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April 29, 2015   |   Diesel Technology Forum

Press Release

American Lung Association’s “State of the Air 2015” Report Recognizes Contributions of Clean Diesel to Improving Air Quality

Contact: Steve Hansen (301) 668-7230 shansen@dieselforum.org

In United States, Clean Diesel Engines Helping Drive Clean Air Progress

“’State of the Air 2015’ gave reason for celebration but also identified areas of growing concern. The best progress showed in levels of year-round particle pollution, which have been steadily improving. For that you can thank the transition to cleaner diesel fuel and engines and steps taken to clean up power plants, especially in the eastern U.S. The American Lung Association has pushed long and hard for these changes. We are pleased to see that those steps not only reduced particle pollution, but also helped many cities reduce their ozone pollution as well.”

- Harold P. Wimmer, National President and CEO of the American Lung Association

Washington, D.C. – The Diesel Technology Forum issued the following statement today regarding the release of the “State of the Air 2015” report by the American Lung Association (ALA). The American Lung Association is the leading organization in the U.S. working to save lives by improving lung health and preventing lung disease through education, advocacy and research.

“Today’s report by the American Lung Association finds that more than half of all Americans live in counties in the U.S. where ozone or particulate emission levels are meeting EPA clean air standards. The downside is that about four in 10 Americans live in communities with unhealthy levels of either ozone or particle pollution.

“We’re extremely pleased the ALA has identified cleaner diesel fleets as one of two main contributors to the successful efforts to reduce particulate emission levels in the U.S. Cleaner power plants were also identified as a key contributor for better air quality,” said Allen Schaeffer, the Executive Director of the Diesel Technology Forum (http://www.dieselforum.org/).

New Clean Diesel Technology Has Near Zero Emissions

“Engine and equipment makers together with fuel refiners and emissions control technology companies have made significant investments to produce this new generation of clean diesel technology with near zero levels of emissions. It’s rewarding to see the benefits of this work reflected in the quality of our environment.

“The diesel industry is continuing to build on these accomplishments and is increasingly focused on producing near zero emissions technology that also is more efficient and has lower greenhouse gas emissions as well.”

To learn more about the ALA “State of the Air 2015” report go to:

- “Every Breath You Take: State of the Air 2015”


- American Lung Association “State of the Air 2015” Report


New Clean Diesel Engines Reduce NOx & PM by Over 95%

Schaeffer said since 2007, the introduction of ultra-low sulfur diesel fuel has enabled significant strides in diesel engine technology that today result in near zero particulate emissions. For example:

- It would take more than 60 of 2015 model year tractor-trailer clean diesel trucks to equal the particulate emissions of one 1988 model diesel truck.

- In California, researchers at University of California-Riverside found that twice as many particulate emissions now come from charbroiling hamburgers than come from on-road diesel vehicles.

- In Southern California this year, more particulate emissions come from brake dust and tire wear than from diesel trucks.

“This clean diesel technology is now found in all sectors - in fuel-efficient passenger cars to the full range of commercial trucks and buses, and most recently, to construction equipment and engines used for power generation and other industrial activities,” Schaeffer said. “The new diesel trucks, cars, buses and off-road engines have reduced particulate matter and nitrogen oxide emissions by more than 95 percent in the past two decades.”

Modernizing & Upgrading Older Diesel Engines Can Reduce Emissions 25% to 85%

“As the ALA report notes, there is more work to be done,” Schaeffer said. “The progress in new engine and equipment technology is remarkable, and the rapid adoption of these new engines and equipment will deliver the greatest clean air and greenhouse gas emission benefits.

“In addition, manufacturers have also developed and adapted clean diesel technologies to significantly reduce particulate emissions in older diesel engines that continue to be in service. More than 40 approved retrofit devices are now on the market which can be installed on qualifying vehicles and equipment to reduce in-use emissions by 25 to 85 percent.

How Clean Diesel Technology Is Helping To Improve Air Quality

Schaeffer said new clean diesel technology and fuel has resulted in:

- A 98% Reduction in Emissions from New Commercial Diesel Trucks

To learn more go to http://www.dieselforum.org/index.cfm?objectid=3A4CE710-9375-11E0-98E9000C296BA163

- A 90% Reduction in Emissions from New Farm and Construction Equipment

To learn more go to http://www.dieselforum.org/meet-the-leaders/conexpo-tier-4

- A 97% Reduction in Sulfur in New Ultra-Low Sulfur Diesel Fuel

To learn more go to http://www.dieselforum.org/about-clean-diesel

- Diesel Cars and Pickup Trucks That Are 30% More Fuel Efficient Than Gasoline Vehicles

To learn more go to http://www.dieselforum.org/diesel-at-work/cars-trucks-and-suvs

- New Clean Diesel Buses That Are Comparable to CNG Buses

To learn more go to http://www.catf.us/resources/publications/view/162 and http://www.dieselforum.org/diesel-at-work/public-transportation

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The Diesel Technology Forum is a non-profit organization dedicated to raising awareness about the importance of diesel engines, fuel and technology. Forum members are leaders in clean diesel technology and represent the three key elements of the modern clean-diesel system: advanced engines, vehicles and equipment, cleaner diesel fuel and emissions-control systems. For more information visit www.dieselforum.org.

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Sarah Dirndorfer
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(301) 668-7230

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