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

RegSenseAir EmissionsCFR RegulationsEnvironmental Protection Agency (EPA)EnvironmentalAir QualityFocus AreaUSAEnglishAir ProgramsCFR Appendix

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.

Distance (m) Grade (%)
0 0
402 0
804 0.5
1206 0
1210 0
1222 −0.10
1234 0
1244 0
1294 0.36
1344 0
1354 0
1408 −0.28
1504 −1.04
1600 −0.28
1654 0
1666 0
1792 0.39
1860 0.66
1936 1.15
2098 2.44
2260 1.15
2336 0.66
2404 0.39
2530 0
2548 0
2732 −0.46
2800 −0.69
2880 −1.08
2948 −1.53
3100 −2.75
3252 −1.53
3320 −1.08
3400 −0.69
3468 −0.46
3652 0
3666 0
3742 0.35
3818 0.90
3904 1.59
3990 0.90
4066 0.35
4142 0
4158 0
4224 −0.10
4496 −0.69
4578 −0.97
4664 −1.36
4732 −1.78
4916 −3.23
5100 −1.78
5168 −1.36
5254 −0.97
5336 −0.69
5608 −0.10
5674 0
5724 0
5808 0.10
5900 0.17
6122 0.38
6314 0.58
6454 0.77
6628 1.09
6714 1.29
6838 1.66
6964 2.14
7040 2.57
7112 3.00
7164 3.27
7202 3.69
7292 5.01
7382 3.69
7420 3.27
7472 3.00
7544 2.57
7620 2.14
7746 1.66
7870 1.29
7956 1.09
8130 0.77
8270 0.58
8462 0.38
8684 0.17
8776 0.10
8860 0
8904 0
9010 −0.38
9070 −0.69
9254 −2.13
9438 −0.69
9498 −0.38
9604 0
9616 0
9664 0.26
9718 0.70
9772 0.26
9820 0
9830 0
9898 −0.34
10024 −1.33
10150 −0.34
10218 0
10228 0
10316 0.37
10370 0.70
10514 1.85
10658 0.70
10712 0.37
10800 0
10812 0
10900 −0.37
10954 −0.7
11098 −1.85
11242 −0.70
11296 −0.37
11384 0
11394 0
11462 0.34
11588 1.33
11714 0.34
11782 0
11792 0
11840 −0.26
11894 −0.70
11948 −0.26
11996 0
12008 0
12114 0.38
12174 0.69
12358 2.13
12542 0.69
12602 0.38
12708 0
12752 0
12836 −0.10
12928 −0.17
13150 −0.38
13342 −0.58
13482 −0.77
13656 −1.09
13742 −1.29
13866 −1.66
13992 −2.14
14068 −2.57
14140 −3.00
14192 −3.27
14230 −3.69
14320 −5.01
14410 −3.69
14448 −3.27
14500 −3.00
14572 −2.57
14648 −2.14
14774 −1.66
14898 −1.29
14984 −1.09
15158 −0.77
15298 −0.58
15490 −0.38
15712 −0.17
15804 −0.10
15888 0
15938 0
16004 0.10
16276 0.69
16358 0.97
16444 1.36
16512 1.78
16696 3.23
16880 1.78
16948 1.36
17034 0.97
17116 0.69
17388 0.10
17454 0
17470 0
17546 −0.35
17622 −0.90
17708 −1.59
17794 −0.90
17870 −0.35
17946 0
17960 0
18144 0.46
18212 0.69
18292 1.08
18360 1.53
18512 2.75
18664 1.53
18732 1.08
18812 0.69
18880 0.46
19064 0
19082 0
19208 −0.39
19276 −0.66
19352 −1.15
19514 −2.44
19676 −1.15
19752 −0.66
19820 −0.39
19946 0
19958 0
20012 0.28
20108 1.04
20204 0.28
20258 0
20268 0
20318 −0.36
20368 0
20378 0
20390 0.10
20402 0
20406 0
20808 −0.50
21210 0
21612 0

[86 FR 34497, Jun. 29, 2021; 88 FR 4658, Jan. 24, 2023; 89 FR 29793, Apr. 22, 2024]

['Air Programs']
['Air Emissions']
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