Payrne (Switzerland): An experimental solar-powered aircraft took off from a Swiss airbase in the early hours of Wednesday in a bid to make history by flying round the clock and through the night.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/night-test-solar-powered-plane-fly-non-stop-24-hour-flight
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/times-india-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/renewable-energy
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/solar-energy
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-transport
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/energy