One of the major hurdles in alternative energy is how much land is needed and the variable cost of installation. This solution would largely address both of those issues.
The post is critical because they calculate that the cost of replacing all roads is $35 trillion. However, I did some back of the envelope calculations and determined that it wasn’t all that much more than the cost of roads now. Indeed, the Solar Roadways site confirms this.
Obviously they are glossing over some issues of practicality so it’s too early to cash in your IRA and buy their stock, but it’s definitely worth a discussion, especially if luminescent solar concentrator technology lives up to its theoretical billing.