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CleanAIR Systems Participates in NY Off-Road Diesel Emissions Testing with the PERMIT™ Diesel Particulate Filter


Santa Fe, NM – August 7, 2007 – CleanAIR Systems, a manufacturer of innovative emissions control solutions, is pleased to announce their PERMIT™ diesel particulate filter technology has been included in the Clean Diesel Technology/Off-Road Field-Testing Program at the New York City Department of Sanitation (DSNY) in Maspeth, Queens, NY. Part of a 3-year project conducted by Southern Research Institute for the New York State Energy Research and Development Authority (NYSERDA), the program will establish a universal testing protocol that can be adopted by other state and federal agencies for in-use emissions testing. CleanAIR’s passively regenerating PERMIT™ Filter has been installed on two pieces of off-road diesel construction equipment used primarily for snow removal and loading of road salt onto trucks. In-use emissions reduction testing on the filters is currently underway. The PERMIT™ Filter has proven to be a leader in emissions control technology by reducing pollutants during field testing of diesel particulate matter by greater than 85%, as well as reducing emissions of carbon monoxide and hydrocarbons by as much as 99%.

The first round of vehicle retrofits and testing of clean diesel technologies has been completed with ten companies participating in the program. Emissions control technologies being tested include active diesel particulate filters, passive diesel particulate filters, diesel oxidation catalysts, selective catalytic reduction technology, and flow-through particulate filters. The goal of the Clean Diesel Technology Program is to assess and improve diesel engine emissions generated by off-road equipment, produce emissions factors with and without a variety of control technologies, and evaluate the performance of emissions control technologies used within the test via a standard testing protocol developed during the program.

“This is an important initiative to help control air pollution caused by emissions from existing diesel engines,” said Stephen Piccot, director of Environment and Energy Research at Southern Research Institute. “Our collaborative approach will provide important performance, economic, and operational information that will be invaluable in designing future diesel retrofit programs, not to mention developing better air quality policies and equipment usage guidelines.”

CleanAIR technical sales engineer, Ralph Wintersberger explains, “CleanAIR Systems has been working for years with government entities and private industry in California to clean up emissions due to the state’s strict air quality regulations. We’re very encouraged to see New York and other Northeastern states doing the same through programs like this. Our product has been in-use and tested by DSNY for almost a year, cleaning up particulate matter, hydrocarbons and carbon monoxide from diesel vehicle emissions. We’ve worked one-on-one with NYCDEP (New York City Department of Environmental Protection) and DSNY to help implement standards for emissions control to bring New York standards closer to emissions standards set by California Air Resources Board (CARB) levels.” Wintersberger continued, “Emissions control technology that is affordable is also a factor in the guidelines being considered by NYCDEP. For CleanAIR Systems, ‘customized products at affordable prices’ is what we do best.”

“Preliminary test results on CleanAIR diesel particulate filters included in the program show greater than 90% reduction on all emissions of particulate matter, hydrocarbons and carbon monoxide,” said Southern Research Institute’s Senior Project Leader, William S. Crews. A report will be issued at the conclusion of testing, providing information on all clean diesel emissions control technologies that participated in the program, along with effectiveness as it relates to testing on DSNY’s off-road construction equipment.

About CleanAIR Systems:
CleanAIR Systems is a technology-based corporation manufacturing emissions control systems with worldwide distribution. Their products are designed to control air pollution such as diesel particulate matter and NOx, for on- and off-road vehicles, as well as stationary machinery and power generation. Visit CleanAIR Systems online at


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