What 40 CFR Part 1037 Heavy-Duty Vehicle GHG Standards requires
40 CFR Part 1037 sets EPA greenhouse gas (GHG) emission standards for heavy-duty motor vehicles. Section 1037.105 establishes CO2 emission standards for vocational vehicles, and Section 1037.106 establishes exhaust emission standards (including CO2) for tractors above 26,000 pounds GVWR, covering Class 7 and Class 8 tractors across roof-height and cab configurations. The Part 2 (Phase 2) standards apply to model year 2021 and later vehicles, with more stringent requirements taking effect for model year 2027.
Pillar: Automotive & Mobility · Authority: US Environmental Protection Agency (EPA) · Version: 1.0.0 · Last updated:
Primary source: https://www.ecfr.gov/current/title-40/part-1037
SHA-256 integrity: c047a7c91dfff6ad36afa3871e282fdb4916884ed23f11bf8156c7ce47b78e9a
Primary Citations — 6 traced to source
- 40 CFR Part 1037 - Control of Emissions from New Heavy-Duty Motor Vehicles, Section 1037.105 - CO2 emission standards for vocational vehicles
- 40 CFR Part 1037 - Control of Emissions from New Heavy-Duty Motor Vehicles, Section 1037.106 - Exhaust emission standards for tractors above 26,000 pounds GVWR
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