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§¯§Ñ §ã§î§à§Ô§à§Õ§ß?§ê§ß?§Û §Õ§Ö§ß§î §Ü§Ñ§ä§Ñ§Ý?§ä§Ú§é§ß? §ß§Ö§Û§ä§â§Ñ§Ý?§Ù§Ñ§ä§à§â§Ú ? §à§Õ§ß??§ð §Ù §à§ã§ß§à§Ó§ß§Ú§ç §é§Ñ§ã§ä§Ú§ß §Ó§Ú§ç§Ý§à§á§ß§Ú§ç §ã§Ú§ã§ä§Ö§Þ §ß§Ñ§ê§Ú§ç §Ñ§Ó§ä§à§Þ§à§Ò?§Ý?§Ó. §£§à§ß§Ú §Ó§ã§ä§Ñ§ß§à§Ó§Ý§ð§ð§ä§î§ã§ñ §ß§Ñ §Ó§ã?§ç §Ñ§Ó§ä§à§Þ§à§Ò?§Ý§ñ§ç, §ë§à §á§â§à§Õ§Ñ§ð§ä§î§ã§ñ §Ó §Ü§â§Ñ?§ß§Ñ§ç ?§Ó§â§à§á§Ö§Û§ã§î§Ü§à§Ô§à §³§á?§Ó§ä§à§Ó§Ñ§â§Ú§ã§ä§Ó§Ñ. §£§Ú§Ü§à§â§Ú§ã§ä§Ñ§ß§ß§ñ §Ü§Ñ§ä§Ñ§Ý?§ä§Ú§é§ß§à§Ô§à §ß§Ö§Û§ä§â§Ñ§Ý?§Ù§Ñ§ä§à§â§Ñ ? §à§Ò§à§Ó'§ñ§Ù§Ü§à§Ó§Ú§Þ §Õ§Ý§ñ §Ò§Ö§ß§Ù§Ú§ß§à§Ó§Ú§ç §Ñ§Ó§ä§à§Þ§à§Ò?§Ý?§Ó ?§Ù 1993 §â§à§Ü§å, §Ñ §Õ§Ý§ñ §Õ§Ú§Ù§Ö§Ý§î§ß§Ú§ç ¨C ?§Ù 1997 §â§à§Ü§å.?§µ§ã§Ó?§Õ§à§Þ§Ý§ð§ð§é§Ú §Ö§Ü§à§Ý§à§Ô?§é§ß? §Ó§Ú§Ü§Ý§Ú§Ü§Ú, §Ü§à§Þ§á§Ñ§ß?§ñ Walker §ã§Ý?§Õ§Ü§å? §Ù§Ñ §Õ§à§ä§â§Ú§Þ§Ñ§ß§ß§ñ§Þ §ß§Ñ§Û§ß§à§Ó?§ê§Ú§ç ?§Ó§â§à§á§Ö§Û§ã§î§Ü§Ú§ç §Ù§Ñ§Ü§à§ß§à§Õ§Ñ§Ó§é§Ú§ç §ß§à§â§Þ §ë§à§Õ§à §Ó§Ú§Ü§Ú§Õ?§Ó, §ë§à§Ò §Ù§ß§Ñ§é§ß§à §Ù§Þ§Ö§ß§ê§Ú§ä§Ú §Ü?§Ý§î§Ü?§ã§ä§î §Ô§Ñ§Ù?§Ó NOx, §ñ§Ü? §Ó§Ú§Ü§Ú§Õ§Ñ§ð§ä§î§ã§ñ §Ó§Ú§ç§Ý§à§á§ß§à§ð §ã§Ú§ã§ä§Ö§Þ§à§ð §ñ§Ü §Ý§Ö§Ô§Ü§à§Ó§Ú§ç, §ä§Ñ§Ü ? §Ü§à§Þ§Ö§â§è?§Û§ß§Ú§ç §Ñ§Ó§ä§à§Þ§à§Ò?§Ý?§Ó. §µ §é§Ö§â§Ó§ß? 2017 §â§à§Ü§å §Ü§à§Þ§á§Ñ§ß?§ñ Walker §ã§ä§Ñ§Ý§Ñ §á§Ö§â§ê§Ú§Þ §Ó§Ú§â§à§Ò§ß§Ú§Ü§à§Þ §â?§ê§Ö§ß§î §Õ§Ý§ñ §Ü§à§ß§ä§â§à§Ý§ð §Ó§Ú§Ü§Ú§Õ?§Ó, §ñ§Ü§Ú§Û §Ù§Ñ§á§â§à§á§à§ß§å§Ó§Ñ§Ó §Ü§Ñ§ä§Ñ§Ý?§ä§Ú§é§ß§Ú§Û §ß§Ö§Û§ä§â§Ñ§Ý?§Ù§Ñ§ä§à§â, §â§à§Ù§â§à§Ò§Ý§Ö§ß§Ú§Û §Ó?§Õ§á§à§Ó?§Õ§ß§à §Õ§à §ã§ä§Ñ§ß§Õ§Ñ§â§ä§å §Ó§Ú§Ü§Ú§Õ?§Ó ?§Ó§â§à 6 ?§Ó§â§à§á§Ö§Û§ã§î§Ü§à§Ô§à §³§à§ð§Ù§å.
