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A new advanced ceramic material (ACM) has been developed and examined for diesel emission control systems, especially for diesel particulate filter (DPF) applications. Lab tests have shown that ACM possesses suitable mechanical and chemical properties for a durable DPF. Engine dynamometer tests have shown that a DPF made from ACM possesses high performance in the key application requirements of high filtration efficiency, low filtration back pressure, fast regeneration, and suitability for catalyst coating applications. The experimental results from this investigation demonstrate that a DPF made from ACM can be used for advanced diesel PM emission control systems, including potential four-way diesel catalytic converter systems.