| 摘要 |
PROBLEM TO BE SOLVED: To provide an exhaust emission control device of an internal combustion engine without using a noble metal.SOLUTION: The exhaust emission control device of the internal combustion engine is arranged on an exhaust gas passage of the internal combustion engine. In the device, an HC adsorbent, a tungsten-tin composite oxide, and a NOx adsorbent are arranged in this order from the upstream side of the exhaust gas passage. |
