A Swiss startup may have found a way to expand the country's solar power capacity without converting additional farmland into solar panel farms. Instead of clearing land for new solar panel installations, Sun-Ways has been running a pilot that uses land already developed for another purpose: railway tracks. The company's removable solar panels fit in the unused space between the rails, turning train tracks into energy-harvesting infrastructure without affecting train operations or schedules. The Sun-Ways pilot program has been running for more than a year, covering only 100 meters (328 feet) of track in Neuchâtel, Switzerland. Early results appear promising, and other countries, including Italy...