How do the NMOG + NOX and evaporative emission credit programs work?

§ 86.1861-17 How do the NMOG + NOX and evaporative emission credit programs work?

You may use emission credits for purposes of certification to show compliance with the applicable fleet-average NMOG + NOX standards from §§ 86.1811 and 86.1816 and the fleet-average evaporative emission standards from § 86.1813 as described in 40 CFR part 1037, subpart H, with certain exceptions and clarifications as specified in this section. MDPVs are subject to the same provisions of this section that apply to LDT4.

(a) Calculate emission credits as described in this paragraph (a) instead of using the provisions of 40 CFR 1037.705. Calculate positive or negative emission credits relative to the applicable fleet-average standard. Calculate positive emission credits if your fleet-average level is below the standard. Calculate negative emission credits if your fleet-average value is above the standard. Calculate credits separately for each type of standard and for each averaging set. Calculate emission credits using the following equation, rounded to the nearest whole number:

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