['Air Programs']
['Air Emissions']
07/08/2024
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Certain material is incorporated by reference into this part with the approval of the Director of the Federal Register under 5 U.S.C. 552(a) and 1 CFR part 51. To enforce any edition other than that specified in this section, EPA must publish a document in the Federal Register and the material must be available to the public. All approved incorporation by reference (IBR) material is available for inspection at EPA and at the National Archives and Records Administration (NARA). Contact EPA at: U.S. EPA, Air and Radiation Docket Center, WJC West Building, Room 3334, 1301 Constitution Ave. NW, Washington, DC 20004; www.epa.gov/dockets ; (202) 202-1744. For information on inspecting this material at NARA, visit www.archives.gov/federal-register/cfr/ibr-locations.html or email fr.inspection@nara.gov . The material may be obtained from the following sources:
(a) International Organization for Standardization, Case Postale 56, CH-1211 Geneva 20, Switzerland; (41) 22749 0111; www.iso.org; or central@iso.org.
(1) ISO 28580:2009(E) “Passenger car, truck and bus tyres—Methods of measuring rolling resistance—Single point test and correlation of measurement results”, First Edition, July 1, 2009, (“ISO 28580”); IBR approved for §1037.520(c).
(2) [Reserved]
(b) National Institute of Standards and Technology (NIST), 100 Bureau Drive, Stop 1070, Gaithersburg, MD 20899-1070; (301) 975-6478; www.nist.gov.
(1) NIST Special Publication 811, 2008 Edition, Guide for the Use of the International System of Units (SI), Physics Laboratory, March 2008; IBR approved for §1037.805.
(2) [Reserved]
(c) SAE International, 400 Commonwealth Dr., Warrendale, PA 15096-0001, (877) 606-7323 (U.S. and Canada) or (724) 776-4970 (outside the U.S. and Canada), www.sae.org.
(1) SAE J1025 AUG2012, Test Procedures for Measuring Truck Tire Revolutions Per Kilometer/Mile, Stabilized August 2012, (“SAE J1025”); IBR approved for §1037.520(c).
(2) SAE J1252 JUL2012, SAE Wind Tunnel Test Procedure for Trucks and Buses, Revised July 2012, (“SAE J1252”); IBR approved for §§1037.525(b) and (c); 1037.530(a).
(3) SAE J1263 MAR2010, Road Load Measurement and Dynamometer Simulation Using Coastdown Techniques, Revised March 2010, (“SAE J1263”); IBR approved for §§1037.528 introductory text, (a), (b), (c), (e), and (h); 1037.665(a).
(4) SAE J1594 JUL2010, Vehicle Aerodynamics Terminology, Revised July 2010, (“SAE J1594”); IBR approved for §1037.530(d).
(5) SAE J2071 REV. JUN94, Aerodynamic Testing of Road Vehicles—Open Throat Wind Tunnel Adjustment, Revised June 1994, (“SAE J2071”); IBR approved for §1037.530(b).
(6) SAE J2263 MAY2020, (R) Road Load Measurement Using Onboard Anemometry and Coastdown Techniques, Revised May 2020, (“SAE J2263”); IBR approved for §§1037.528 introductory text, (a), (b), (d), and (f); 1037.665(a).
(7) SAE J2343 JUL2008, Recommended Practice for LNG Medium and Heavy-Duty Powered Vehicles, Revised July 2008, (“SAE J2343”); IBR approved for §1037.103(e).
(8) SAE J2452 ISSUED JUN1999, Stepwise Coastdown Methodology for Measuring Tire Rolling Resistance, Issued June 1999, (“SAE J2452”); IBR approved for §1037.528(h).
(9) SAE J2966 SEP2013, Guidelines for Aerodynamic Assessment of Medium and Heavy Commercial Ground Vehicles Using Computational Fluid Dynamics, Issued September 2013, (“SAE J2966”); IBR approved for §1037.532(a).
(d) U.S. EPA, Office of Air and Radiation, 2565 Plymouth Road, Ann Arbor, MI 48105; www.epa.gov ; complianceinfo@epa.gov .
(1) Greenhouse gas Emissions Model (GEM), Version 2.0.1, September 2012 (“GEM version 2.0.1”); IBR approved for §1037.520.
(2) Greenhouse gas Emissions Model (GEM) Phase 2, Version 3.0, July 2016 (“GEM Phase 2, Version 3.0”); IBR approved for §1037.150(x).
(3) Greenhouse gas Emissions Model (GEM) Phase 2, Version 3.5.1, November 2020 (“GEM Phase 2, Version 3.5.1”); IBR approved for §1037.150(x).
(4) Greenhouse gas Emissions Model (GEM) Phase 2, Version 4.0, April 2022 (“GEM Phase 2, Version 4.0”); IBR approved for §§1037.150(x); 1037.520.
(5) GEM's MATLAB/Simulink Hardware-in-Loop model, Version 3.8, December 2020 (“GEM HIL model 3.8”); IBR approved for §1037.150(x).
[86 FR 34496, Jun. 29, 2021; 87 FR 45266, July 28, 2022; 88 FR 4658, Jan. 24, 2023; 89 FR 29792, Apr. 22, 2024]
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