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Development of a Simultaneous Reduction System of NOx and PM for Light-Duty Truck
Published September 17, 2003 by Society of Automotive Engineers of Japan in Japan
Event: JSAE Autumn Conference
Toyota has developed the simultaneous reduction system of NOx and PM (DPNR; Diesel Particulate and NOx Reduction system) on diesel engine-powered, light-duty trucks. Simultaneous reduction of NOx and PM has been realized by the combination of combustion control and application of exhaust pipe injector mounted on the upstream of catalyst. This paper also suggests that the use of ultra-low sulfur fuel is essential to achieve further reduced emissions with sufficient catalyst durability.