solar power

(Newser) - A lightweight, solar-powered plane has broken the world record for the longest unmanned flight by a whole day. The Zephyr, built by a British security firm, flew for 54 hours during a test flight, beating the US Air Force's record for a similar vehicle by 24 hours. But it's not...

(Newser) - Sunny days are here to stay for solar homes with roof-top panels, Forbes reports. Such green abodes can cover electricity costs in warm months and store enough to sell solar power to the grid for profit. Installation is expensive but viable thanks to government subsidies, especially in California, New Jersey...