IL HB5504

Department of Transportation must establish a policy by January 1, 2025 determining maximum acceptable global warming potential for eligible materials (asphalt, concrete, steel) used in public projects, based on nationally recognized Environmental Product Declaration databases.

Capital Development Board must establish by January 1, 2025 maximum acceptable global warming potential standards for eligible materials (asphalt, concrete, glass, steel, wood) in construction projects based on industry averages.

Contractors awarded public project contracts issued on or after July 1, 2022 must submit Type III Environmental Product Declarations for proposed eligible materials; requirements become mandatory with emissions limits on July 1, 2025.

Both agencies must review and adjust policies every 4 years beginning January 1, 2027, with adjustments only permitted to maintain or reduce (not increase) acceptable emission levels.

Both agencies must annually report to Governor and General Assembly starting in 2026 on methodology, lessons learned about embodied carbon quantification, and obstacles encountered by contractors in meeting emissions standards.