Federal Register - June 29, 2021
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Source: Federal Register
34194
Federal Register / Vol. 86, No. 122 / Tuesday, June 29, 2021 / Proposed Rules
TABLE 10 OF 1037.520ADJUSTMENT FACTORS FOR COMPOSITE RESULTS FROM GEM PHASE 2, VERSION 3.8
Adjustment factor Regulatory subcategory MY 20222023
Class 7 Day Cab Low Roof
Class 7 Day Cab Mid Roof
Class 7 Day Cab High Roof
Class 8 Day Cab Low Roof
Class 8 Sleeper Cab Low Roof
Class 8 Day Cab Mid Roof
Class 8 Sleeper Cab Mid Roof
Class 8 Day Cab High Roof
Class 8 Sleeper Cab High Roof
Class 8 Heavy Haul
Multi-Purpose Light HDV Compression-ignition
Regional Light HDV Compression-ignition
Urban Light HDV Compression-ignition
Multi-Purpose Medium HDV Compression-ignition
Regional Medium HDV Compression-ignition
Urban Medium HDV Compression-ignition
Multi-Purpose Heavy HDV Compression-ignition
Regional Heavy HDV Compression-ignition
Urban Heavy HDV Compression-ignition
Multi-Purpose Light HDV Spark-ignition
Regional Light HDV Spark-ignition
Urban Light HDV Spark-ignition
Multi-Purpose Medium HDV Spark-ignition
Regional Medium HDV Spark-ignition
Urban Medium HDV Spark-ignition
School bus
Motor home
Coach bus
Other bus
Refuse hauler
Concrete mixer
Mixed-use vehicle
Emergency vehicle
6. Amend 1037.810 by revising paragraph c to read as follows:
1037.810
Incorporation by reference.
c U.S. EPA, Office of Air and Radiation, 2565 Plymouth Road, Ann Arbor, MI 48105, www.epa.gov.
1i Greenhouse gas Emissions Model GEM, Version 2.0.1, September 2012 GEM version 2.0.1, IBR
approved for 1037.520.
lotter on DSK11XQN23PROD with PROPOSALS1
VerDate Sep<11>2014
16:40 Jun 28, 2021
Jkt 253001
0.0104
0.0106
0.0088
0.0062
0.0014
0.0059
0.0013
0.0058
0.0013
0.0076
0.0000
0.0000
0.0000
0.0038
0.0000
0.0034
0.0038
0.0000
0.0065
0.0000
0.0000
0.0000
0.0000
0.0000
0.0030
0.0034
0.0000
0.0000
0.0067
0.0096
0.0125
0.0125
0.0123
ii Greenhouse gas Emissions Model GEM Phase 2, Version 3.5.1, November 2020 GEM Phase 2, Version 3.5.1;
IBR approved for 1037.150bb.
iii Greenhouse gas Emissions Model GEM Phase 2, Version 3.8, November 2020 GEM Phase 2, Version 3.8; IBR
approved for 1037.520.
iv GEMs MATLAB/Simulink Hardware-in-Loop model, Version 3.8, December 2020 GEM HIL model;
IBR approved for 1037.550a.
PO 00000
Frm 00032
Fmt 4702
Sfmt 9990
MY 20242026
0.0090
0.0084
0.0084
0.0079
0.0015
0.0062
0.0000
0.0062
0.0014
0.0080
0.0029
0.0000
0.0000
0.0000
0.0000
0.0037
0.0041
0.0000
0.0071
0.0000
0.0000
0.0000
0.0000
0.0000
0.0032
0.0034
0.0000
0.0000
0.0067
0.0096
0.0125
0.0125
0.0123
MY 2027-and-later 0.0094
0.0097
0.0090
0.0068
0.0016
0.0064
0.0000
0.0066
0.0016
0.0062
0.0000
0.0000
0.0000
0.0000
0.0000
0.0000
0.0043
0.0000
0.0037
0.0027
0.0000
0.0000
0.0000
0.0040
0.0034
0.0000
0.0000
0.0049
0.0000
0.0034
0.0127
0.0127
0.0125
2 The computer code for these models is available as noted in paragraph a of this section. A working version of the software is also available for download at https www.epa.gov/
regulations-emissions-vehicles-andengines/greenhouse-gas-emissionsmodel-gem-medium-and-heavy-duty.
FR Doc. 202105305 Filed 62821; 8:45 am BILLING CODE 656050P
E:FRFM29JNP1.SGM
29JNP1
