CARS.COM — Besides being drop-dead gorgeous, the 2018 Lexus LC 500 and LC 500h have an interesting option: a “glass roof with sunshade.” From the outside, the top (which comes standard ...

German solar company Paxos Solar has unveiled a glass-glass photovoltaic tile that can be installed on roofs and connected to a heat pump, reducing energy demand by as much as 20 percent.