A company called Solar Roadways (http://www.solarroadways.com/intro.shtml) claims to have a prototype installation of solar panels embedded in roads that can charge cars as they drive. Given that vast road network that can be harnessed with embedded solar panels, the company claims the potential to generate three times US consumption using solar power. The active circuitry in the panels can also be used to warn drivers if animals step on the road, and are designed to be modular, hence easy to detect failures (reported by neighboring panels) and easy to replace. Once the manufacturing challenges are overcome, what constraints will limit adoption ? Given the significant role of the Federal government in allocating road network infrastructure investments, will it be easier to get roads modified if the Federal government is convinced of their benefit? How will the current set of companies react to this drastic change in technology ?