Tests show diesel additive reduces emissions

Results of engine-bench tests of its diesel fuel additive showed reductions in toxic emissions that comply with or are lower than CARB (California Air Resources Board) clean air standards, said Clean Diesel Technologies Inc. (CDT), Stamford, Conn.The additive is a platinum/cerium fuel-borne catalyst called Platinum Plus.CDT and Southwest Research Institute, San Antonio, jointly evaluated the additive performance in a 1998 heavy-duty diesel engine for a 450 ppm sulfur No. 2 diesel, a 50-ppm sulfur CARB diesel, and a jet-kerosine blend.Tests for the No. 2 diesel showed that 8 ppm of the additive with an uncatalyzed diesel particulate filter limited particulate emissions to less than 0.02 g/...

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