EPA seeks input on Phase 3 GHG standard rulemaking for heavy-duty engines and vehicles
Green Car Congress
AUGUST 16, 2022
EPA first adopted GHG requirements for heavy-duty vehicles in 2011. The Phase 1 standards began to apply in Model Year 2014 for heavy-duty vehicles. The Phase 1 standards began to apply in Model Year 2014 for heavy-duty vehicles. The Phase 2 standards began to apply in Model Year 2021.
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