FRANCE: PSA Peugeot Citroën develops service-free diesel particulate filter
PSA Peugeot Citroën has developed a new diesel particulate filter with a service life of over 150,000 miles (240,000km), meaning it will effectively be maintenance-free. The claimed breakthrough has come with the use of a new filter medium architecture, called Octosquare (referring to the shape of the filter's intake channels) and an improved fuel additive.
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