Environmental Leader: Some say interest in solar technology from the world’s largest corporations gives credibility to the industry and proves that it is not just a "fad" and that new players might even be too late to join the game, Reuters reports. – Intel is spinning off solar technology it developed into a start-up called SpectraWatt Inc., which will begin shipping its solar cells next year. – IBM and Tokyo Ohka Kogyo are developing more efficient solar power technologies and plan to license …