I love the concept of the solar roadways, but I think they will be really expensive (at least $1000 per hexagon), and thus have a really long time to pay for th

I love the concept of the solar roadways, but I think they will be really expensive (at least $1000 per hexagon), and thus have a really long time to pay for themselves. But perhaps in a few years, they will be inexpensive enough to pay for themselves quickly.