§ 86.004-21 Application for certification.

Section 86.004-21 includes text that specifies requirements that differ from § 86.094-21. Where a paragraph in § 86.094-21 is identical and applicable to § 86.004-21, this may be indicated by specifying the corresponding paragraph and the statement “[Reserved]. For guidance see § 86.094-21.”

(a)-(b)(3) [Reserved]. For guidance see § 86.094-21.

(b)

(4)

(i) [Reserved]

(b)

(4)

(ii)-(b)(5)(iv) [Reserved]. For guidance see § 86.094-21.

(6) Participation in averaging programs—(i) Particulate averaging. (A) If the manufacturer elects to participate in the particulate averaging program for diesel light-duty vehicles and/or diesel light-duty trucks or the particulate averaging program for heavy-duty diesel engines, the application must list the family particulate emission limit and the projected U.S. production volume of the family for the model year.

(B) The manufacturer shall choose the level of the family particulate emission limits, accurate to hundredth of a gram per mile or hundredth of a gram per brake horsepowerhour for HDEs.

(C) The manufacturer may at any time during production elect to change the level of any family particulate emission limit(s) by submitting the new limit(s) to the Administrator and by demonstrating compliance with the limit(s) as described in §§ 86.090-2 and 86.094-28(b)(5)(i).