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

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

[89 FR 29793, Apr. 22, 2024]