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Clean Diesel Technologies (CDTI) +11.1% premarket after receiving EPA verification for its...

Clean Diesel Technologies (CDTI) +11.1% premarket after receiving EPA verification for its Purifilter EGR emission reduction system, a diesel filter for the removal of particulate matter. Purifilter EGR addresses exhaust gas recirculation equipped heavy duty trucks currently subject to EPA retrofit requirements in the U.S., excluding California.
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