Euro emission norms are emission standards and these represent <t package setting limits for emission from a vehicle. Which of the following gases is covered under this ?

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Q: 81 (UPPSC/2013)
Euro emission norms are emission standards and these represent Which of the following gases is covered under this ?

question_subject: 

Science

question_exam: 

UPPSC

stats: 

0,68,14,5,6,3,68

keywords: 

{'emission norms': [0, 0, 0, 1], 'gases': [0, 0, 5, 12], 'emission': [0, 0, 4, 5], 'standards': [0, 0, 2, 6], 'carbon monoxide': [3, 0, 1, 1], 'euro': [0, 3, 0, 3], 'hydro carbons': [0, 0, 0, 1], 'nitrogen': [1, 1, 0, 2], 'limits': [0, 1, 0, 2]}