Diesel Pollution Solutions
SWEDISH CAR MANUFACTURER Volvo has invented a filter which reduces soot and other harmful particles from diesel exhaust by at least 80 percent. Buses and delivery vehicles are a major source of this kind of urban pollution because of their frequent stopping and starting. When accelerating or climbing up a hill, large amounts of soot particles are released. The filter becomes full after 500 kms, after which it is plugged into an external electricity supply to burn off the soot with the aid of a platinum catalyst.
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https://paperspast.natlib.govt.nz/periodicals/FORBI19900201.2.9.3
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Forest and Bird, Volume 21, Issue 1, 1 February 1990, Page 6
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90Diesel Pollution Solutions Forest and Bird, Volume 21, Issue 1, 1 February 1990, Page 6
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