EPA finalizes MY 2027 heavy-duty truck NOx standards; first step in Clean Trucks Plan
Green Car Congress
DECEMBER 21, 2022
Relative to current rules, the new standards are more than 80% stronger, increase useful life of governed vehicles by 1.5–2.5 Setting stronger emissions standards for medium-duty commercial vehicles for MY 2027 and later. times, and will yield emissions warranties that are 2.8–4.5 times longer.
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