Regulation & law · 20/12/2012Updated: 10/17/2026 · 1 min read
EPA Approves Colorado's Revised Air Quality Plan, Eliminating Vehicle Emissions Testing for Newer Models
Summary
The US Environmental Protection Agency (EPA) has approved a revised State Implementation Plan (SIP) submitted by the State of Colorado, which removes the light duty vehicle emission testing limits for 1996 and newer model year vehicles, effective January 1, 2006.
Original source language: Federal Register — All DocumentsOpen original release →