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MARIN COUNTY'S NEWS MONTHLY - FREE PRESS
(415)868-1600 - (415)868-0502(fax) - P.O. Box 31, Bolinas, CA, 94924

October, 2006

 

Historic Diesel Cleanup Program for 1,700 Buses

Marin County and Bay Area residents can expect the region's normally excellent air quality to become even better in the years ahead, as the Metropolitan Transportation Commission (MTC), the Bay Area Air Quality Management District and the area's transit systems near completion of an unprecedented diesel cleanup program.
Through the Clean Diesel Bus Program, more than 1,700 diesel buses from 13 Bay Area transit districts are being retrofitted with diesel exhaust filters. Combined, these high-tech emission control filters annually capture more than 50 tons of harmful particulate matter and 436 tons of oxides of nitrogen (Ox) that otherwise would have been emitted by buses into Bay Area air.

Diesel particulate matter is a toxic air contaminant that can cause lung disease and cancer. NOx, another component of diesel exhaust, are a precursor to ozone, which can cause respiratory disease, according to the California Air Resources Board.

The Air District, MTC and the region's transit districts provided funding for implementation of the clean diesel bus program. Installation of the devices, which are manufactured by San Leandro-based Cleaire Advanced Emission Controls, began in 2003.

San Francisco Muni is leading the way for the Bay Area by retrofitting 424 of its diesel buses. AC Transit will have 416 diesel exhaust filters when its retrofit program is complete in December 2006. The status of the diesel filter installation program for each transit district is outlined below.

Golden Gate Transit has installed 37 diesel exhaust purifiers, comprising the transit system's entire diesel fleet. As a result, Golden Gate Transit will emit 2,186 pounds. less PM, 19,055 pounds. less NOx, and 3,885 pounds. less of HC each year.


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