On-Road Vehicle and Engine Emission Regulations

24.7 For the 2017 and later model years, the average cold NMHC value for a company’s fleet that is composed of all of its heavy light-duty trucks and medium-duty passenger vehicles of a specific model year that are operated by an Otto-cycle engine shall not exceed the fleet average cold NMHC standard set out for heavy light-duty trucks in Table 5 of section 1811 of Title 40, chapter I, subchapter C, part 86, subpart S, of the CFR.