Seattle Times: Michael Weaver began thinking about alternative energy while cruising around Puget Sound. About two and a half years ago, the newly minted software millionaire was spending a lot of time with his new yacht, but its poor fuel performance and the foul smell of diesel prompted Weaver to look for a cleaner alternative. "I didn’t like the smell of the generator, and I’ve always been pro-environment," said Weaver, who made his fortune by selling the legal software firm …