Part I - STATEMENTS OF BASIS, SPECIFIC STATUTORY AUTHORITY AND PURPOSE
- Section 5 CCR 1001-24-I-I - ADOPTED: November 15, 2018 (Adoption of all Sections)
- Section 5 CCR 1001-24-I-II - ADOPTED: August 16, 2019 (Adoption of ZEV Section as part of CLEAR)
- Section 5 CCR 1001-24-I-III - ADOPTED August 19, 2021 (Revisions to Regulation Number 20 - Colorado Low Emission Automobile Regulation)
- Section 5 CCR 1001-24-I-IV - ADOPTED April 21, 2023 (Revisions to Regulation Number 20 - Colorado Advanced Clean Truck and Low NOx Standards)
- Section 5 CCR 1001-24-I-V - ADOPTED October 20, 2023 (Revisions to Regulation Number 20 - Colorado Clean Cars and Trucks Standards)