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Witness explains Advanced Clean Cars 2, California waiver and how Vermont would implement ZEV requirements
Summary
A NESCAUM policy adviser briefed the committee on the statutory basis for states to adopt California vehicle standards, the structure of Advanced Clean Cars 2 (ACC2), compliance flexibilities for automakers, and Vermont's planned 2026 model‑year implementation.
A senior policy adviser for the Northeast States for Coordinated Air Use Management (NESCAUM) told the House Transportation Committee on Feb. 12 that Advanced Clean Cars 2 (ACC2) and related zero‑emission vehicle (ZEV) rules are authorized by the Clean Air Act’s carve‑out for California and section 177, which allows other states to adopt California’s standards if they are identical.
Meghan O’Toole (recorded in testimony as Megan O'Toole), senior policy adviser at NESCAUM, told members that California must secure an EPA waiver to set stricter motor‑vehicle emission standards; other states may adopt those stricter standards only by following California’s rules under section 177. That legal structure is the basis for states — including Vermont — to adopt ACC2 (which combines low‑emission vehicle standards,…
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