On-Road Vehicle and Engine Emission Regulations
Version of section 23 from 2006-03-22 to 2013-12-31:
23 Subject to sections 24 to 31, the average NOx value for a company’s fleet that is composed of all of its light-duty vehicles, light-duty trucks and medium-duty passenger vehicles of the 2009 and later model years shall not exceed 0.07 grams per mile.
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