This resource is intended to address key questions related to adoption and implementation of California’s Advanced Clean Cars II (ACC II) Zero-Emission Vehicle (ZEV) regulation in 13 CCR §1962.4. Under the federal Clean Air Act (CAA), California is the only state permitted to establish emission standards for new motor vehicles. Other states, however, may adopt and enforce California’s standards, in lieu of federal standards. States that adopt California’s standards are referred to as “Section 177 states,” in reference to the CAA provision that grants this authority.

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More About this Resource

Publisher: NESCAUM

Date: August 29, 2024

Type: Fact Sheet

Countries: None

States: None