§²§à§ã§ã§Ú§ñ (§â§å§ã§ã§Ü§Ú§Û)
Walker? Emissions Control ¡ª §Ó§Ö§Õ§å§ë§Ú§Û §Ó §à§ä§â§Ñ§ã§Ý§Ú §Ò§â§Ö§ß§Õ §ã§Þ§Ö§ß§ß§í§ç §Ü§à§Þ§á§à§ß§Ö§ß§ä§à§Ó §Ú §ã§Ú§ã§ä§Ö§Þ §Ü§à§ß§ä§â§à§Ý§ñ §Ó§í§Ò§â§à§ã§à§Ó, §Ó§Ü§Ý§ð§é§Ñ§ñ §ã§Ö§Ý§Ö§Ü§ä§Ú§Ó§ß§í§Ö §Ü§Ñ§ä§Ñ§Ý§Ú§Ù§Ñ§ä§à§â§í (SCR), §Õ§Ú§Ù§Ö§Ý§î§ß§í§Ö §ã§Ñ§Ø§Ö§Ó§í§Ö §æ§Ú§Ý§î§ä§â§í (DPF), §Ü§Ñ§ä§Ñ§Ý§Ú§ä§Ú§é§Ö§ã§Ü§Ú§Ö §ß§Ö§Û§ä§â§Ñ§Ý§Ú§Ù§Ñ§ä§à§â§í, §Õ§Ú§Ù§Ö§Ý§î§ß§í§Ö §ã§Ñ§Ø§Ö§Ó§í§Ö §æ§Ú§Ý§î§ä§â§í (DPF), §Ô§Ý§å§ê§Ú§ä§Ö§Ý§Ú, §ä§â§å§Ò§í, §Þ§à§ß§ä§Ñ§Ø§ß§í§Ö §Ü§à§Þ§á§à§ß§Ö§ß§ä§í §Ú §á§â§Ú§ã§Ñ§Õ§Ü§Ú. §Õ§Ý§ñ §Ý§Ö§Ô§Ü§à§Ó§í§ç §Ñ§Ó§ä§à§Þ§à§Ò§Ú§Ý§Ö§Û, §Ý§Ö§Ô§Ü§Ú§ç §Ô§â§å§Ù§à§Ó§Ú§Ü§à§Ó §Ú §Ó§ß§Ö§Õ§à§â§à§Ø§ß§Ú§Ü§à§Ó.
§°§Ò§Ý§Ñ§Õ§Ñ§ñ §Ò§à§Ý§Ö§Ö §é§Ö§Þ 100-§Ý§Ö§ä§ß§Ú§Þ §à§á§í§ä§à§Þ, §Ò§â§Ö§ß§Õ Walker §á§à§Þ§à§Ô§Ñ§Ö§ä §å§ã§ä§Ñ§ß§Ñ§Ó§Ý§Ú§Ó§Ñ§ä§î §ã§ä§Ñ§ß§Õ§Ñ§â§ä§í §ß§Ñ §â§í§ß§Ü§Ö §Ù§Ñ§á§Ñ§ã§ß§í§ç §é§Ñ§ã§ä§Ö§Û §Ó §à§ä§ß§à§ê§Ö§ß§Ú§Ú §Ü§Ñ§é§Ö§ã§ä§Ó§Ñ §á§â§à§Õ§å§Ü§è§Ú§Ú, §å§ã§ä§Ñ§ß§à§Ó§Ü§Ú, §á§â§à§Ú§Ù§Ó§à§Õ§Ú§ä§Ö§Ý§î§ß§à§ã§ä§Ú, §à§ç§Ó§Ñ§ä§Ñ, §ä§Ö§ç§ß§Ú§é§Ö§ã§Ü§à§Ô§à §à§Ò§å§é§Ö§ß§Ú§ñ, §á§à§Õ§Õ§Ö§â§Ø§Ü§Ú §Ò§Ú§Ù§ß§Ö§ã§Ñ §Ú §á§â§Ö§Ó§à§ã§ç§à§Õ§ß§à§Ô§à §Ü§Ñ§é§Ö§ã§ä§Ó§Ñ §Ü§Ñ§ä§Ñ§Ý§à§Ô§Ú§Ù§Ñ§è§Ú§Ú. §¬§Ñ§Ø§Õ§í§Û §Õ§Ö§ß§î §ä§í§ã§ñ§é§Ú §ã§á§Ö§è§Ú§Ñ§Ý§Ú§ã§ä§à§Ó §á§à §â§Ö§Þ§à§ß§ä§å §Ó§í§Ò§Ú§â§Ñ§ð§ä §Ü§à§Þ§á§à§ß§Ö§ß§ä§í Walker §Ù§Ñ §Ú§ç §ä§à§é§ß§å§ð, §à§â§Ú§Ô§Ú§ß§Ñ§Ý§î§ß§å§ð §á§à§ã§Ñ§Õ§Ü§å, §Ú§ã§Ü§Ý§ð§é§Ú§ä§Ö§Ý§î§ß§å§ð §á§â§à§Ú§Ù§Ó§à§Õ§Ú§ä§Ö§Ý§î§ß§à§ã§ä§î §Ú §Õ§à§Ý§Ô§à§Ó§Ö§é§ß§à§ã§ä§î.
§¯§Ñ§ê§Ú §Ú§ß§Ø§Ö§ß§Ö§â§ß§í§Ö §è§Ö§ß§ä§â§í §á§à §Ü§à§ß§ä§â§à§Ý§ð §Ó§í§Ò§â§à§ã§à§Ó §Õ§Ö§Ý§ñ§ä§ã§ñ §à§á§í§ä§à§Þ §Ú §Ó§à§Ù§Þ§à§Ø§ß§à§ã§ä§ñ§Þ§Ú, §á§à§Þ§à§Ô§Ñ§ñ §ß§Ñ§Þ §á§â§Ö§Õ§à§ã§ä§Ñ§Ó§Ý§ñ§ä§î §ß§à§Ó§Ö§Û§ê§Ú§Ö §ä§Ö§ç§ß§à§Ý§à§Ô§Ú§Ú §Ü§Ý§Ú§Ö§ß§ä§Ñ§Þ §á§à §Ó§ã§Ö§Þ§å §Þ§Ú§â§å. §±§â§à§Õ§å§Ü§è§Ú§ñ Walker §à§á§Ú§â§Ñ§Ö§ä§ã§ñ §ß§Ñ §Ú§ß§Ø§Ö§ß§Ö§â§ß§í§Û §Ú §á§â§à§Ú§Ù§Ó§à§Õ§ã§ä§Ó§Ö§ß§ß§í§Û §à§á§í§ä §á§â§à§Ú§Ù§Ó§à§Õ§Ú§ä§Ö§Ý§Ö§Û §à§â§Ú§Ô§Ú§ß§Ñ§Ý§î§ß§à§Ô§à §à§Ò§à§â§å§Õ§à§Ó§Ñ§ß§Ú§ñ, §é§ä§à §á§à§Ù§Ó§à§Ý§ñ§Ö§ä §ß§Ñ§Þ §á§à§ã§ä§Ñ§Ó§Ý§ñ§ä§î §Ü§Ñ§é§Ö§ã§ä§Ó§Ö§ß§ß§í§Ö §â§Ö§ê§Ö§ß§Ú§ñ §à§ä §Õ§Ó§Ú§Ô§Ñ§ä§Ö§Ý§ñ §Ü §Ó§í§ç§Ý§à§á§ß§à§Û §ä§â§å§Ò§Ö §ß§Ñ §â§í§ß§à§Ü §á§à§ã§Ý§Ö§á§â§à§Õ§Ñ§Ø§ß§à§Ô§à §à§Ò§ã§Ý§å§Ø§Ú§Ó§Ñ§ß§Ú§ñ, §à§ä§Ó§Ö§é§Ñ§ð§ë§Ú§Ö §ã§Ö§Ô§à§Õ§ß§ñ§ê§ß§Ú§Þ §á§à§ä§â§Ö§Ò§ß§à§ã§ä§ñ§Þ §Ú §â§Ñ§Ù§â§Ñ§Ò§Ñ§ä§í§Ó§Ñ§ñ §â§Ö§ê§Ö§ß§Ú§ñ §Õ§Ý§ñ §Ù§Ñ§Õ§Ñ§é §Ù§Ñ§Ó§ä§â§Ñ§ê§ß§Ö§Ô§à §Õ§ß§ñ.
§³§Ö§Ô§à§Õ§ß§ñ §Ü§Ñ§ä§Ñ§Ý§Ú§ä§Ú§é§Ö§ã§Ü§Ú§Ö §ß§Ö§Û§ä§â§Ñ§Ý§Ú§Ù§Ñ§ä§à§â§í §ñ§Ó§Ý§ñ§ð§ä§ã§ñ §à§Õ§ß§à§Û §Ú§Ù §à§ã§ß§à§Ó§ß§í§ç §é§Ñ§ã§ä§Ö§Û §Ó§í§ç§Ý§à§á§ß§à§Û §ã§Ú§ã§ä§Ö§Þ§í §ß§Ñ§ê§Ö§Ô§à §Ñ§Ó§ä§à§Þ§à§Ò§Ú§Ý§ñ. §¬§Ñ§ä§Ñ§Ý§Ú§ä§Ú§é§Ö§ã§Ü§Ú§Û §ß§Ö§Û§ä§â§Ñ§Ý§Ú§Ù§Ñ§ä§à§â, §å§ã§ä§Ñ§ß§Ñ§Ó§Ý§Ú§Ó§Ñ§Ö§Þ§í§Û §ß§Ñ §Ó§ã§Ö §Ñ§Ó§ä§à§Þ§à§Ò§Ú§Ý§Ú, §á§â§à§Õ§Ñ§Ó§Ñ§Ö§Þ§í§Ö §Ó §ã§ä§â§Ñ§ß§Ñ§ç §¦§Ó§â§à§á§Ö§Û§ã§Ü§à§Ô§à §ã§à§à§Ò§ë§Ö§ã§ä§Ó§Ñ, §ñ§Ó§Ý§ñ§Ö§ä§ã§ñ §à§Ò§ñ§Ù§Ñ§ä§Ö§Ý§î§ß§í§Þ §Õ§Ý§ñ §Ñ§Ó§ä§à§Þ§à§Ò§Ú§Ý§Ö§Û §ã §Ò§Ö§ß§Ù§Ú§ß§à§Ó§í§Þ §Õ§Ó§Ú§Ô§Ñ§ä§Ö§Ý§Ö§Þ §ã 1993 §Ô§à§Õ§Ñ, §Ñ §Õ§Ý§ñ §Ñ§Ó§ä§à§Þ§à§Ò§Ú§Ý§Ö§Û §ã §Õ§Ú§Ù§Ö§Ý§î§ß§í§Þ §Õ§Ó§Ú§Ô§Ñ§ä§Ö§Ý§Ö§Þ ¨C §ã 1997 §Ô§à§Õ§Ñ. §°§ã§à§Ù§ß§Ñ§Ó§Ñ§ñ §á§â§à§Ò§Ý§Ö§Þ§í, §ã§Ó§ñ§Ù§Ñ§ß§ß§í§Ö §ã §à§Ü§â§å§Ø§Ñ§ð§ë§Ö§Û §ã§â§Ö§Õ§à§Û, §Ü§à§Þ§á§Ñ§ß§Ú§ñ Walker §ã§Ý§Ö§Õ§Ú§ä §Ù§Ñ §ä§Ö§Þ, §é§ä§à§Ò§í §Ó §ã§â§à§Ü §ã§à§Ò§Ý§ð§Õ§Ñ§Ý§à§ã§î §á§à§ã§Ý§Ö§Õ§ß§Ö§Ö §Ö§Ó§â§à§á§Ö§Û§ã§Ü§à§Ö §Ù§Ñ§Ü§à§ß§à§Õ§Ñ§ä§Ö§Ý§î§ã§ä§Ó§à. §ã§ä§Ñ§ß§Õ§Ñ§â§ä§à§Ó §Ó§í§Ò§â§à§ã§à§Ó, §é§ä§à§Ò§í §â§Ö§Ù§Ü§à §ã§à§Ü§â§Ñ§ä§Ú§ä§î §Ü§à§Ý§Ú§é§Ö§ã§ä§Ó§à §Ô§Ñ§Ù§à§Ó NOx, §Ó§í§Õ§Ö§Ý§ñ§Ö§Þ§í§ç §Ó§í§ç§Ý§à§á§ß§à§Û §ã§Ú§ã§ä§Ö§Þ§à§Û §Ü§Ñ§Ü §Ý§Ö§Ô§Ü§à§Ó§í§ç, §ä§Ñ§Ü §Ú §Ü§à§Þ§Þ§Ö§â§é§Ö§ã§Ü§Ú§ç §Ñ§Ó§ä§à§Þ§à§Ò§Ú§Ý§Ö§Û. §£ §Ú§ð§ß§Ö 2017 §Ô§à§Õ§Ñ §Ü§à§Þ§á§Ñ§ß§Ú§ñ Walker §ã§ä§Ñ§Ý§Ñ §á§Ö§â§Ó§í§Þ §á§â§à§Ú§Ù§Ó§à§Õ§Ú§ä§Ö§Ý§Ö§Þ §â§Ö§ê§Ö§ß§Ú§Û §Õ§Ý§ñ §Ü§à§ß§ä§â§à§Ý§ñ §Ó§í§Ò§â§à§ã§à§Ó, §á§â§Ö§Õ§Ý§à§Ø§Ú§Ó§ê§Ú§Þ §á§à§ã§Ý§Ö§á§â§à§Õ§Ñ§Ø§ß§í§Û §Ü§Ñ§ä§Ñ§Ý§Ú§ä§Ú§é§Ö§ã§Ü§Ú§Û §ß§Ö§Û§ä§â§Ñ§Ý§Ú§Ù§Ñ§ä§à§â, §â§Ñ§Ù§â§Ñ§Ò§à§ä§Ñ§ß§ß§í§Û §Ó §ã§à§à§ä§Ó§Ö§ä§ã§ä§Ó§Ú§Ú §ã§à §ã§ä§Ñ§ß§Õ§Ñ§â§ä§à§Þ §Ó§í§Ò§â§à§ã§à§Ó §¦§Ó§â§à-6 §¦§Ó§â§à§á§Ö§Û§ã§Ü§à§Ô§à §³§à§ð§Ù§Ñ.
