§ 89.120-96 - Compliance with emission standards.

(a) If all test engines representing an engine family have emissions less than or equal to each emission standard, that family complies with the emission standards.

(b) If any test engine representing an engine family has emissions greater than each emission standard, that family will be deemed not in compliance with the emission standard(s).

(c) If aftertreatment is employed by an engine family, then a deterioration factor must be determined and applied.

(d) For engine families included in the averaging, banking, and trading program, the families’ emission limits (FELs) are used in lieu of the applicable federal emission standard.