PowerFilm, Inc., a manufacturer of high-quality, thin-film solar products located in the U.S., announces its launch of a Kickstarter crowd funding campaign to produce the HelioVault.   The launch of the Kickstarter campaign coincides with the company’s presentation of a new line of products to be unveiled at the Outdoor Retailer Summer Marketfrom in Salt Lake City, Utah, including its new LightSaver line of solar power systems.   The HelioVault is the world’s first mobile, high-capacity, por...