40 CFR — Protection of Environment
Appendix E to Subpart S of Part 51—Transient Test Driving Cycle
United States · 40 CFR — Protection of Environment · Status: effective
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- Citation
- 40 CFR — Protection of Environment, Appendix E to Subpart S of Part 51—Transient Test Driving Cycle, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/169863
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Full text
(I) Driver's trace. All excursions in the transient driving cycle shall be evaluated by the procedures defined in § 86.115-78(b)(1) and § 86.115(c) of this chapter. Excursions exceeding these limits shall cause a test to be void. In addition, provisions shall be available to utilize cycle validation criteria, as described in § 86.1341-90 of this chapter, for trace speed versus actual speed as a means to determine a valid test.
(II) Driving cycle. The following table shows the time speed relationship for the transient IM240 test procedure.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.