eCFR Reference Browser

---

title: "40 CFR §1036.505"

source: "https://www.ecfr.gov/current/title-40/section-1036.505"

title_number: "40"

volume_number: "36"

chapter_number: "Unknown"

subchapter_code: "U"

subchapter_subject: "AIR POLLUTION CONTROLS"

part_code: "1036"

part_subject: "CONTROL OF EMISSIONS FROM NEW AND IN-USE HEAVY-DUTY HIGHWAY ENGINES"

subpart_code: "F"

subpart_subject: "Test Procedures"

section_number: "1036.505"

section_subject: "Ramped-modal testing procedures."

cfr_reference: "40 CFR 1036.505"

title_name: "Title 40"

title_subject: "Protection of Environment"

parts_covered: "Parts 1000 to 1059"

revised_date: "Revised as of July 1, 2017"

publication_date: "As of July 1, 2017"

contains_description: "Containing a codification of documents of general applicability and future effect"

publication_info: "Published by the Office of the Federal Register National Archives and Records Administration as a Special Edition of the Federal Register"

---

(a)Starting in model year 2021, you must measure CO2 emissions using the ramped-modal cycle in 40 CFR 86.1362 as described in § 1036.501, or using the ramped-modal cycle in this section.

(b)Measure emissions using the ramped-modal duty cycle shown in the following table to determine whether engines meet the steady-state compression-ignition standards specified in subpart B of this part:

§1036.505 - Ramped-modal testing procedures.