At some point in the near future, solar will be cheaper than the power from the grid. At that point, it won't be a do-gooder energy choice, it will be the smart thing to do. New maps pinpoint when that day is coming to your city.READ»
Bad things are generally cheaper: Like Big Macs. Or H&M. Or coal power. But new research suggests solar power is going to be the wallet-friendliest power option as early as 2013. Time to get into the solar-panel business...READ»
