Strengthening asphalt roads with a unique green ingredient: Algae
Peer-Reviewed Publication
Updates every hour. Last Updated: 11-Jun-2026 16:16 ET (11-Jun-2026 20:16 GMT/UTC)
Snow and ice can damage paved surfaces, leading to frost heaves and potholes. These become potential hazards for drivers and pedestrians and are expensive to fix. Now, researchers propose in ACS Sustainable Chemistry & Engineering a figurative and literal green solution to improve the durability of roads and sidewalks: an algae-derived asphalt binder. For temperatures below freezing, results indicated that the algae binder reduced asphalt cracks when compared to a conventional, petroleum-based binder.
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