Story perspectives
Outdated specs and permits still block green road materials
By Drooid · · How we work
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Story summary
- U.S. firms say low-carbon concrete, recycled asphalt and smart plastics are ready but lag hinders adoption.
- Patty Mishic O’Brien of Teknor Apex reports a resin “fairy dust” additive boosts durability.
- Eunice Heath of CRH says caps limit recycled asphalt to ~20%, but CRH can use 40-60% for 35% emissions cut.
- O’Brien and Heath say outdated specs and fragmented permitting block green materials, requiring reform and 12–24-month scaling without faster approvals.
