Regulations last checked for updates: May 19, 2024

Title 40 - Protection of Environment last revised: May 16, 2024
Appendix Appendix D - Appendix D to Part 1037—Heavy-Duty Grade Profile for Phase 2 Steady-State Test Cycles
Link to an amendment published at 89 FR 29793, Apr. 22, 2024.

The following table identifies a grade profile for operating vehicles over the highway cruise cycles specified in subpart F of this part. Determine intermediate values by linear interpolation.

[86 FR 34497, June 29, 2021. Redesignated at 88 FR 4658, Jan. 24, 2023]
authority: 42 U.S.C. 7401—7671q
source: 81 FR 74048, Oct. 25, 2016, unless otherwise noted.