| 摘要 |
A vehicle exhaust aftertreatment system for controlling emissions from an engine includes, in serial order: an exhaust outlet from the engine, an exhaust catalyst assembly that is in fluid communication with the exhaust outlet and includes a first NO<SUB>x </SUB>component coupled with a downstream oxidation catalyst, and a second NO<SUB>x </SUB>adsorber that is downstream from and in fluid communication with the oxidation catalyst of the exhaust catalyst assembly. |
