Table 1 of Paragraph (b)(1) of § 1037.106 -Phase 3 CO2 Standards for Model Year 2027 and Later Tractors
Model year | Roof height | CO2 standard by regulatory subcategory (g/ton·mile) | |||
Class 7 all cab styles | Class 8 day cab | Class 8 sleeper cab | Heavy-haul | ||
2027 | Low Roof | 96.2 | 73.4 | 64.1 | |
Mid Roof | 103.4 | 78.0 | 69.6 | 48.3 | |
High Roof | 100.0 | 75.7 | 64.3 | ||
2028 | Low Roof | 88.5 | 67.5 | 64.1 | |
Mid Roof | 95.1 | 71.8 | 69.6 | 48.3 | |
High Roof | 92.0 | 69.6 | 64.3 | ||
2029 | Low Roof | 84.7 | 64.6 | 64.1 | |
Mid Roof | 91.0 | 68.6 | 69.6 | 47.8 | |
High Roof | 88.0 | 66.6 | 64.3 | ||
2030 | Low Roof | 80.8 | 61.7 | 60.3 | |
Mid Roof | 86.9 | 65.5 | 65.4 | 47.8 | |
High Roof | 84.0 | 63.6 | 60.4 | ||
2031 | Low Roof | 69.3 | 52.8 | 56.4 | |
Mid Roof | 74.4 | 56.2 | 61.2 | 46.9 | |
High Roof | 72.0 | 54.5 | 56.6 | ||
2032 and Later | Low Roof | 57.7 | 44.0 | 48.1 | |
Mid Roof | 62.0 | 46.8 | 52.2 | 45.9 | |
High Roof | 60.0 | 45.4 | 48.2 |
Table 2 of Paragraph (b)(2) of § 1037.106 -Small Manufacturer CO2 Standards for Model Year 2027 and Later Tractors
Subcategory | Phase 2 CO2 standards (g/ton·mile) |
Class 7 Low-Roof (all cab styles) | 96.2 |
Class 7 Mid-Roof (all cab styles) | 103.4 |
Class 7 High-Roof (all cab styles) | 100.0 |
Class 8 Low-Roof Day Cab | 73.4 |
Class 8 Low-Roof Sleeper Cab | 64.1 |
Class 8 Mid-Roof Day Cab | 78.0 |
Class 8 Mid-Roof Sleeper Cab | 69.6 |
Class 8 High-Roof Day Cab | 75.7 |
Class 8 High-Roof Sleeper Cab | 64.3 |
Heavy-Haul Tractors | 48.3 |
Table 3 of Paragraph (b)(3) of § 1037.106 -CO2 Standards for Model Year 2026 and Earlier Tractors
[g/ton-mile]
Subcategory | Phase 1 standards for model years 2014-2016 | Phase 1 standards for model years 2017-2020 | Phase 2 standards for model years 2021-2023 | Phase 2 standards for model years 2024-2026 |
Class 7 Low-Roof (all cab styles) | 107 | 104 | 105.5 | 99.8 |
Class 7 Mid-Roof (all cab styles) | 119 | 115 | 113.2 | 107.1 |
Class 7 High-Roof (all cab styles) | 124 | 120 | 113.5 | 106.6 |
Class 8 Low-Roof Day Cab | 81 | 80 | 80.5 | 76.2 |
Class 8 Low-Roof Sleeper Cab | 68 | 66 | 72.3 | 68.0 |
Class 8 Mid-Roof Day Cab | 88 | 86 | 85.4 | 80.9 |
Class 8 Mid-Roof Sleeper Cab | 76 | 73 | 78.0 | 73.5 |
Class 8 High-Roof Day Cab | 92 | 89 | 85.6 | 80.4 |
Class 8 High-Roof Sleeper Cab | 75 | 72 | 75.7 | 70.7 |
Heavy-Haul Tractors | 52.4 | 50.2 |
40 C.F.R. §1037.106