Jacob Susman is frustrated again. Sitting in the bright green conference room of his company's trendy industrial office, overshadowed by the Brooklyn Bridge, he's a clean-cut poster child for the "green economy": Since 2007, Susman's OwnEnergy, which installs wind turbines, has grown to be one of the nation's most prominent wind installers. But he's plagued by a recurring nightmare: "Every few years the industry has to drop everything for six or nine months and focus exclusively on having the credit passed."
