Imagine that, a multi-billion (taxpayer-funded) high-speed underground transportation system for the rare occasions that the proponent might actually want to use it, instead of driving on the sunny roads
Well, on the surface, the recently touted "solar roof tiles" sound like a great idea, a roof with photovoltaic cells embedded in the tiles, barely distinguishable from ordinary roof tiles.
So, for the moment, let's forget about the cost of the tiles and their installation, neither of which is exactly "peanuts." There are other problems as well, like:
