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Fluid facilitates diesel.

With its third-generation diesel-fuel based additive, says Olivier Touret, vice president of Rhodia Electronics & Catalysis (www.rhodia-ec.com; La Rochelle, France), the additive tank needs to be filled after 155,000 miles, up from 87,500 miles for the second-gen product. Trade-named Eolys, the fluid, which is called a "additive-based diesel particulate filter" (A-DPF) system, is formulated to eliminate essentially all of the particulates in exhaust gas (1 to 3 mg/km in the standardized European MVEG cycle), and, because the filter regeneration temperature is lowered by about 200[degrees]C and reduces the particulate combustion time to from two to four minutes, the diesel fuel used for combustion is minimal, thereby keeping a low level of C[O.sub.2] emissions compared with other technologies. There is no impact on N[O.sub.2] emissions. The first generation system was deployed in 2000 on cars built by PSA Peugeot Citroen. There are said to be approximately 2.5 million vehicles on the road using the A-DPF system. Touret says that they are working with the U.S. EPA to achieve approval for the third-gen system. He explains that when a vehicle is refueled, the Eolys is metered into the tank without any action by the person doing the refueling.--GSV
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Title Annotation:NOTABLE
Author:Vasilash, Gary S.
Publication:Automotive Design & Production
Date:Jul 1, 2007
Words:211
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