Table 1 of § 1037.106 -CO2 Standards for Class 7 and Class 8 Tractors by Model Year
[g/ton-mile]
Subcategory a | 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 | Phase 2 standards for model year 2027 and later |
Class 7 Low-Roof (all cab styles) | 107 | 104 | 105.5 | 99.8 | 96.2 |
Class 7 Mid-Roof (all cab styles) | 119 | 115 | 113.2 | 107.1 | 103.4 |
Class 7 High-Roof (all cab styles) | 124 | 120 | 113.5 | 106.6 | 100.0 |
Class 8 Low-Roof Day Cab | 81 | 80 | 80.5 | 76.2 | 73.4 |
Class 8 Low-Roof Sleeper Cab | 68 | 66 | 72.3 | 68.0 | 64.1 |
Class 8 Mid-Roof Day Cab | 88 | 86 | 85.4 | 80.9 | 78.0 |
Class 8 Mid-Roof Sleeper Cab | 76 | 73 | 78.0 | 73.5 | 69.6 |
Class 8 High-Roof Day Cab | 92 | 89 | 85.6 | 80.4 | 75.7 |
Class 8 High-Roof Sleeper Cab | 75 | 72 | 75.7 | 70.7 | 64.3 |
Heavy-Haul Tractors | 52.4 | 50.2 | 48.3 |
a Subcategory terms are defined in § 1037.801 .
40 C.F.R. §1037.106