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40 CFR — Protection of Environment

Appendix D to Part 1037—Heavy-Duty Grade Profile for Steady-State Test Cycles

United States · 40 CFR — Protection of Environment · Status: effective

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40 CFR — Protection of Environment, Appendix D to Part 1037—Heavy-Duty Grade Profile for Steady-State Test Cycles, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/195071
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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.

Legislative history

This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.