§ 86.1362 Steady-state testing with a ramped-modal cycle.
(a) This section describes how to test engines under steady-state conditions. Perform ramped-modal testing as described in 40 CFR 1036.505 and 40 CFR part 1065, except as specified in this section.
(b) Measure emissions by testing the engine on a dynamometer with the following ramped-modal duty cycle to determine whether it meets the applicable steady-state emission standards in this part and 40 CFR part 1036:
[86 FR 34367, June 29, 2021, as amended at 88 FR 4476, Jan. 24, 2023]