The next big trend in car design will be the solar roof



Ken Harris : Author
Solar-powered cars never really caught on, but solar cells on the tops of cars, working in conjunction with fuel cells, may be the next big thing to hit the automotive showroom. Already the Volkswagen Space-Up Blue concept car, the independently manufactured Aptera, and the Fisker Karma feature optional solar panels on the roofs of the vehicles working with, or in the place of, lithium-ion batteries.


http://www.wfs.org/Forecasts_From_The_Futurist_Magazine