40 CFR 86.1237-85 - Dynamometer runs.
(a) The vehicle shall be either driven or pushed onto the dynamometer; however, if driven, the period of engine operation between the end of the diurnal loss test and beginning of the hot soak preparation run shall not exceed 3 minutes, and the vehicle shall be driven at minimum throttle. The dynamometer run shall follow the diurnal heat build by not more than one hour. The vehicle shall be stored prior to dynamometer operation in such a manner that it is not exposed to precipitation (e.g., rain or dew).
(6) Operate the vehicle according to the dynamometer driving schedule (§ 86.1215-85).
Title 40 published on 2013-07-01
no entries appear in the Federal Register after this date.