64864 Federal Register / Vol. 87, No. 206 / Wednesday, October 26, 2022 / Rules and Regulations 
ENVIRONMENTAL PROTECTION 
AGENCY 
40 CFR Parts 9, 59, 60, 85, 86, 88, 89, 
90, 91, 92, 94, 1027, 1033, 1036, 1037, 1039, 1042, 1043, 1045, 1048, 1051, 1054, 1060, 1065, 1066, 1068, and 1074 
[EPA–HQ–OAR–2019–0307; FRL–10018–52– 
OAR] 
RIN 2060–AU62 
Improvements for Heavy-Duty Engine 
and Vehicle Test Procedures, and Other Technical Amendments 
Corrections 
In rule document 2021–05306, 
appearing on pages 34308–34590, in the 
issue of Tuesday, June 29, 2021, make the following corrections: 
§ 1036.301 [Corrected] 
■1. On page 34380, in the first column, 
in the sixth line above Table 1, ‘‘Mreduction’’ should read ‘‘M
reduction ’’. 
§ 1036.540 [Corrected] 
■2. On page 34396, in the first column, 
at the top of the page, before (i) insert: 
‘‘(3) Run GEM for each simulated 
vehicle configuration as follows:’’ 
§ 1037.528 [Corrected] 
■3. On page 34474, in the third column, 
after amendatory instruction 152, the section heading should read: 
§ 1037.528 Coastdown procedures for 
calculating drag area (C dA). 
§ 1037.540 [Corrected] 
■4. On page 34477, in the second 
column, in the tenth line below Eq. 
1037.540–2, ‘‘p ¯circuit-2 ’’ should read 
‘‘pcircuit-2 ’’ 
§ 1037.550 [Corrected] 
■5. On page 34479, in the third column 
in paragraph (f)(4), ‘‘ka B= 4.0’’ should 
read ‘‘k aB= 4.0’’. 
■6. On page 34481, in Table 1 of 
§ 1037.550, in the first column, in the first line, ‘‘Slope, a;
1’’ should read 
‘‘Slope, a1’’. 
§ 1037.560 [Corrected] 
■7. On page 34485, in the first column, 
paragraph (f) introductory text should read: 
(f) Calculate the mean power loss, 
/_184
loss, at each test point as follows: 
■8. On the same page, in the second 
column, (f)(2) should read: 
(2) Calculate /_184 lossas the mean power 
loss from all measurements at a given test point. 
■9. On the same page, in the third 
column (f)(3) should read: (3) The following example illustrates 
a calculation of /_184 loss: 
* * * * * 
■10. On the same page, in the first 
column paragraph (g) introductory text should read: 
(g) Create a table with the mean power 
loss, /_184
loss, corresponding to each test 
point for input into GEM. Express wheel angular speed in r/min to one decimal place; express output torque in N·m to two decimal places; express power loss in kW to four decimal places. 
■11. On the same page, in the third 
column, (h)(3) should read: 
(3) Determine /_184 lossof untested axles 
for each speed and torque setpoint based on a linear relationship between your declared power loss and axle ratio as follows: 
* * * * * 
■12. On page 34486, in the first 
column, (h)(4) should read: 
(4) Select declared values of /_184 lossfor 
untested configurations that are at or 
above the values you determined in paragraph (h)(3) of this section. 
§ 1037.565 [Corrected] 
■13. On page 34487, in the first 
column, paragraph (f) introductory text should read: 
(f) Calculate the mean power loss, 
/_184
loss, at each operating condition as 
follows: 
* * * * * 
■14. On the same page, in the second 
column, the definition for fnoutand 
paragraph (f)(2) introductory text should 
read as follows: 
fnout= mean output shaft speed from 
paragraph (e)(6) of this section in rad/ s. Let 
fnout= 0 for all tests with the 
transmission in neutral. See paragraph (f)(2) of this section for calculating 
fnout 
as a function of fnininstead of measuring 
fnout. 
(2) For transmissions that are 
configured to not allow slip, you may calculate 
fnoutbased on the gear ratio 
using the following equation: 
* * * * * 
■15. On the same page, in the third 
column, paragraph (f)(3), paragraph 
(f)(4) introductory text, and the eighth line after paragraph (f)(4) introductory text should read as follows: 
(3) Calculate /_184
lossas the mean power 
loss from all measurements at a given operating condition. 
(4) The following example illustrates 
a calculation of /_184
loss: 
* * * * * 
Ploss,3= 4292 W = 4.292 kW 
* * * * * ■16. On page 34488, in the first 
column, lines 1–3 from the top of the page should read: 
(g) Create a table with the mean power 
loss, /_184
loss, corresponding to each 
operating condition for input into GEM. 
§ 1037.570 [Corrected] 
■17. On page 34489, beginning in the 
second column, lines 17–20 from the top should read as follows: 
(e) Calculate the mean torque ratio, /_183, 
at each tested speed ratio, v, as follows: 
(1) Calculate 
μat each tested speed 
ratio as follows: 
■18. On the same page, in the same 
column, in the 6th through 10 lines after Eq. 1037.570–1, paragraphs (e)(2) and (3) introductory text should read as follows: 
(2) Calculate /_183 as the average of the 
two values of 
μat each tested speed 
ratio. 
(3) The following example illustrates 
a calculation of /_183: 
* * * * * 
■19. On the same page, in the third 
column, paragraphs (f) introductory text, (f)(1) introductory text, (f)(2), and (f)(3) introductory text should read as follows: 
(f) Calculate the mean capacity factor, 
/_182, at each tested speed ratio, ν, as follows: 
(1) Calculate 
Kat each tested speed 
ratio as follows: 
* * * * * 
(2) Calculate /_182 as the average of the 
two values of Kat each tested speed 
ratio. 
(3) The following example illustrates 
a calculation of /_182: 
* * * * * 
■20. On the same page, in the first 
column, beginning in the 7th line from 
the bottom, paragraph (g) should read as follows: 
(g) Create a table of GEM inputs 
showing /_183 and /_182 at each tested speed 
ratio, ν. Express /_183 to two decimal places; 
express /_182 to one decimal place; express 
ν to two decimal places. 
§ 1037.805 [Corrected] 
■21. On page 34493, in Table 2 to 
§ 1037.805—Symbols for Quantities, in the first column, 
■a. line 7 should read: a g 
■b. line 8 should read: a 0 
■c. line 9 should read: a 1 
■22. On page 34494, in the second 
column, in Table 3 to § 1037.805— Superscripts, in the first column, the second and third lines should read: 
Double overbar (such as /_181) 
VerDate Sep<11>2014 19:01 Oct 25, 2022 Jkt 259001 PO 00000 Frm 00002 Fmt 4701 Sfmt 4700 E:\FR\FM\26OCR2.SGM 26OCR2lotter on DSK11XQN23PROD with RULES264865 Federal Register / Vol. 87, No. 206 / Wednesday, October 26, 2022 / Rules and Regulations 
§ 1065.307 [Corrected] 
■23. On page 34538, in the first 
column, in (c)(13), the first sentence 
should read as follows: 
(13) Use the arithmetic means, y ¯i, and 
reference values, y refi, to calculate least- 
squares linear regression parameters and statistical values to compare to the minimum performance criteria specified in Table 1 of this section. 
■24. On page 34539, in the second 
column, in paragraph (e)(3), (v) and (vi) should read as follows: 
(v) For linearity verification of a fuel 
flow rate meter, m ˙
maxis the 
manufacturer’s specified maximum fuel rate of the lowest-power engine expected during testing. 
(vi) For linearity verification of a DEF 
flow rate meter, m ˙
maxis 10% of the 
manufacturer’s specified maximum fuel rate of the lowest-power DEF-using engine expected during testing. 
§ 1065.530 [Corrected] 
■25. On page 34547, in the first 
column, paragraph (g)(5) should read as follows: 
(g) * * * 
(5) If you perform carbon balance 
error verification, verify carbon balance 
error as specified in the standard-setting part and § 1065.543. Calculate and report the three carbon balance error quantities for each test interval; carbon mass absolute error for a test interval (e
aC), carbon mass rate absolute error for 
a test interval (e aCrate), and carbon mass 
relative error for a test interval (e rC). For 
duty cycles with multiple test intervals, 
you may calculate and report the composite carbon mass relative error, e
rCcomp, for the whole duty cycle. If you 
report erCcomp, you must still calculate and report e aC,eaCrate, and erCfor each 
test interval. 
* * * * * 
§ 1065.543 [Corrected] 
■26. On page 34547, in the second 
column, paragraph (b)(1) should read: 
(b) * * * 
(1) Calculate carbon balance error 
quantities as described in § 1065.643. 
The three quantities for individual test intervals are carbon mass absolute error, e
aC,carbon mass rate absolute error, 
eaCrate, and carbon mass relative error, 
erC.Determine eaC,eaCrate, and erCfor all 
test intervals. You may determine composite carbon mass relative error, e
rCcomp, as a fourth quantity that 
optionally applies for duty cycles with multiple test intervals. 
■27. On the same page, in the same 
column, Eq. 1065.543–1 should read: 
■28. On the same page, in the third 
column, Eq. 1065.543–2 should read: 
■29. On the same page, in the same 
column, lines 12–17 should read: 
(iii) The carbon mass relative error 
limit, LεrC, is 0.020 for comparision to 
the absolute value of e rC, and optionally 
the absolute value of e rCcomp . 
§ 1065.602 [Corrected] 
■30. On page 34554, in the third 
column, in (l)(1)(ii), in the 8th line down, ‘‘pumping, P’’ should read 
‘‘pumping, Pfrict.’’ 
§ 1065.643 [Corrected] 
■31. On page 34559, in the first 
column, Eq. 1065.643–7 should read: 
o`aC= mCexh¥m Cfluid¥m Cair 
■32. On page the same page, in the 
third column, Eq. 1065.643–8 should 
read: 
■33. On the same page, beginning in 
the same column, Example: for Eq. 
1065.643–8 should read: 
eaC= ¥6.7 g 
t = 1202.2 s = 0.3339 hr 
■34. On the same page, in the second 
column, Eq. 1065.643–9 should read: 
■35. On the same page, beginning in 
the first column, Example: for Eq. 
1065.643–9 should read: 
eaC= ¥6.7 g 
mCfliud = 975.3 g 
mCair= 278.6 g 
■36. On page 34560, at the top of the 
page, Eq. 1065.643–10 should read: 
■37. On the same page, in the first 
column, the formula before (iii) should read: 
VerDate Sep<11>2014 17:41 Oct 25, 2022 Jkt 259001 PO 00000 Frm 00003 Fmt 4701 Sfmt 4725 E:\FR\FM\26OCR2.SGM 26OCR2
ER26OC22.008</GPH> ER26OC22.009</GPH> ER26OC22.007</GPH> ER26OC22.000</GPH> ER26OC22.001</GPH> ER26OC22.002</GPH> ER26OC22.003</GPH> ER26OC22.004</GPH> ER26OC22.005</GPH>lotter on DSK11XQN23PROD with RULES2LoaCrate= 0.31·230.0 = 71.300 g/hr ' 0ac Q -----­iC -
mCfluid + mCair 
o = -6· 7 = -0.0053 
re 975.3 + 278.6 
f WF; . ( mCexh, -mCfluidi -mcain ) 
• i=l fi 
qCcomp = N ( ) L WF; . mCfluidi + mCairi 
i=l ( 
1 (1255.3-977.8-280.2) 6 (1247.2-975.3-278.6) --~------~+-•-------~ 
0 7 1 7 1 = -0.0049 
rCcomp = 1 (977.8+280.2) 6 (975.3+278.6) -,~---~+--~---~ 
7 1 7 1 64866 Federal Register / Vol. 87, No. 206 / Wednesday, October 26, 2022 / Rules and Regulations 
■38. On the same page, in the same 
column, the formula before amendatory instruction 353 should read: 
§ 1065.650 [Corrected] 
■39. On page 34561, in the third 
column, the fourth line after Eq. 
1065.650–8 should read: 
n¯dexh= 57.692 mol/s ■40. On page 34563, in the first 
column, the ninth through eleventh 
lines after Eq. 1065.650–19 should read: 
P= mean steady-state power over the 
test interval as described in paragraph (e) of this section. § 1065.655 [Corrected] 
■41. On page the same page, in Table 
1 of § 1065.655, delete column 1 and 2 
headings and insert first entry to read as follows: 
TABLE 1 OF§ 1065.655—S YMBOLS AND SUBSCRIPTS FOR CHEMICAL BALANCE EQUATIONS  
Xdil/exh .............. amount of dilution gas or excess air per mole of exhaust. 
*******  
§ 1065.1005 [Corrected] 
■42. On page 34576, in Table 1 of 
§ 1065.1005, in the Symbol column, the first line should read ‘‘a’’. § 1066.1005 [Corrected] 
■43. On page 34585, in Table 1 of 
§ 1066.1005, in the Symbol column, the 
fifth line should read ‘‘A m’’ 
[FR Doc. C2–2021–05306 Filed 10–25–22; 8:45 am] 
BILLING CODE 0099–10–P 
VerDate Sep<11>2014 20:03 Oct 25, 2022 Jkt 259001 PO 00000 Frm 00004 Fmt 4701 Sfmt 9990 E:\FR\FM\26OCR2.SGM 26OCR2
ER26OC22.006</GPH>lotter on DSK11XQN23PROD with RULES20.85 ·(2.873-2.864-0.023] + 0.15 ·(0.125-0.095-0.024J 
' 123 306 = -0.0047 
qCcomp = 0_85. ( 2.864 + 0.023 J + 0. l 5 · ( 0.095 + 0.024 J 
123 306