Don't have enough space on your roof for a solar panel? Lots of shade trees near your patio? PowerFlower Solar has a portable option you might want to check out. This SmartPlanet video with Jason Halpern, co-founder of PowerFlower Solar, describes his concentrated photovoltaic technology design. Halpern dreamed up his approach while still a student at the University of Pennsylvania, when searching for a solar solution that was appropriate for agricultural purposes.