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goobster · 2255 days ago · link · · parent · post: Solar panels replaced tarmac on a motorway — here are the results
The key benefit of solar roads is the reduction in toxic, non-reusable materials. Glass is just easier to get, form, and re-use than asphalt, which simply is toxic waste, temporarily held in semi-stasis in the form of a road. In the pacific islands they use shells for roads. Hard on the tires, but almost infinitely reusable for them. In India, they have thousands of miles of road made from recycled plastic waste. It's an improvement, but - over time - the road is just a temporary placeholder before the plastic makes it to its final home: unreducible waste.